diff --git a/lib/ast-converter.js b/lib/ast-converter.js
index eed6498..d80df39 100644
--- a/lib/ast-converter.js
+++ b/lib/ast-converter.js
@@ -735,7 +735,7 @@ module.exports = function(ast, extra) {
             case SyntaxKind.Identifier:
                 assign(result, {
                     type: "Identifier",
-                    name: node.text
+                    name: ts.unescapeIdentifier(node.text)
                 });
                 break;
 
diff --git a/tests/fixtures/basics/identifiers-double-underscore.result.js b/tests/fixtures/basics/identifiers-double-underscore.result.js
new file mode 100644
index 0000000..74fe3d4
--- /dev/null
+++ b/tests/fixtures/basics/identifiers-double-underscore.result.js
@@ -0,0 +1,479 @@
+module.exports = {
+    "type": "Program",
+    "range": [
+        0,
+        59
+    ],
+    "loc": {
+        "start": {
+            "line": 1,
+            "column": 0
+        },
+        "end": {
+            "line": 9,
+            "column": 1
+        }
+    },
+    "body": [
+        {
+            "type": "VariableDeclaration",
+            "range": [
+                0,
+                18
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 0
+                },
+                "end": {
+                    "line": 1,
+                    "column": 18
+                }
+            },
+            "declarations": [
+                {
+                    "type": "VariableDeclarator",
+                    "range": [
+                        4,
+                        17
+                    ],
+                    "loc": {
+                        "start": {
+                            "line": 1,
+                            "column": 4
+                        },
+                        "end": {
+                            "line": 1,
+                            "column": 17
+                        }
+                    },
+                    "id": {
+                        "type": "Identifier",
+                        "range": [
+                            4,
+                            10
+                        ],
+                        "loc": {
+                            "start": {
+                                "line": 1,
+                                "column": 4
+                            },
+                            "end": {
+                                "line": 1,
+                                "column": 10
+                            }
+                        },
+                        "name": "__test"
+                    },
+                    "init": {
+                        "type": "Literal",
+                        "range": [
+                            13,
+                            17
+                        ],
+                        "loc": {
+                            "start": {
+                                "line": 1,
+                                "column": 13
+                            },
+                            "end": {
+                                "line": 1,
+                                "column": 17
+                            }
+                        },
+                        "value": "ff",
+                        "raw": "'ff'"
+                    }
+                }
+            ],
+            "kind": "var"
+        },
+        {
+            "type": "ClassDeclaration",
+            "range": [
+                20,
+                36
+            ],
+            "loc": {
+                "start": {
+                    "line": 3,
+                    "column": 0
+                },
+                "end": {
+                    "line": 5,
+                    "column": 1
+                }
+            },
+            "id": {
+                "type": "Identifier",
+                "range": [
+                    26,
+                    31
+                ],
+                "loc": {
+                    "start": {
+                        "line": 3,
+                        "column": 6
+                    },
+                    "end": {
+                        "line": 3,
+                        "column": 11
+                    }
+                },
+                "name": "__Foo"
+            },
+            "body": {
+                "type": "ClassBody",
+                "body": [],
+                "range": [
+                    32,
+                    36
+                ],
+                "loc": {
+                    "start": {
+                        "line": 3,
+                        "column": 12
+                    },
+                    "end": {
+                        "line": 5,
+                        "column": 1
+                    }
+                }
+            },
+            "superClass": null,
+            "implements": [],
+            "decorators": []
+        },
+        {
+            "type": "FunctionDeclaration",
+            "range": [
+                38,
+                59
+            ],
+            "loc": {
+                "start": {
+                    "line": 7,
+                    "column": 0
+                },
+                "end": {
+                    "line": 9,
+                    "column": 1
+                }
+            },
+            "id": {
+                "type": "Identifier",
+                "range": [
+                    47,
+                    52
+                ],
+                "loc": {
+                    "start": {
+                        "line": 7,
+                        "column": 9
+                    },
+                    "end": {
+                        "line": 7,
+                        "column": 14
+                    }
+                },
+                "name": "__Bar"
+            },
+            "generator": false,
+            "expression": false,
+            "async": false,
+            "params": [],
+            "body": {
+                "type": "BlockStatement",
+                "range": [
+                    55,
+                    59
+                ],
+                "loc": {
+                    "start": {
+                        "line": 7,
+                        "column": 17
+                    },
+                    "end": {
+                        "line": 9,
+                        "column": 1
+                    }
+                },
+                "body": []
+            }
+        }
+    ],
+    "sourceType": "script",
+    "tokens": [
+        {
+            "type": "Keyword",
+            "value": "var",
+            "range": [
+                0,
+                3
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 0
+                },
+                "end": {
+                    "line": 1,
+                    "column": 3
+                }
+            }
+        },
+        {
+            "type": "Identifier",
+            "value": "__test",
+            "range": [
+                4,
+                10
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 4
+                },
+                "end": {
+                    "line": 1,
+                    "column": 10
+                }
+            }
+        },
+        {
+            "type": "Punctuator",
+            "value": "=",
+            "range": [
+                11,
+                12
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 11
+                },
+                "end": {
+                    "line": 1,
+                    "column": 12
+                }
+            }
+        },
+        {
+            "type": "String",
+            "value": "'ff'",
+            "range": [
+                13,
+                17
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 13
+                },
+                "end": {
+                    "line": 1,
+                    "column": 17
+                }
+            }
+        },
+        {
+            "type": "Punctuator",
+            "value": ";",
+            "range": [
+                17,
+                18
+            ],
+            "loc": {
+                "start": {
+                    "line": 1,
+                    "column": 17
+                },
+                "end": {
+                    "line": 1,
+                    "column": 18
+                }
+            }
+        },
+        {
+            "type": "Keyword",
+            "value": "class",
+            "range": [
+                20,
+                25
+            ],
+            "loc": {
+                "start": {
+                    "line": 3,
+                    "column": 0
+                },
+                "end": {
+                    "line": 3,
+                    "column": 5
+                }
+            }
+        },
+        {
+            "type": "Identifier",
+            "value": "__Foo",
+            "range": [
+                26,
+                31
+            ],
+            "loc": {
+                "start": {
+                    "line": 3,
+                    "column": 6
+                },
+                "end": {
+                    "line": 3,
+                    "column": 11
+                }
+            }
+        },
+        {
+            "type": "Punctuator",
+            "value": "{",
+            "range": [
+                32,
+                33
+            ],
+            "loc": {
+                "start": {
+                    "line": 3,
+                    "column": 12
+                },
+                "end": {
+                    "line": 3,
+                    "column": 13
+                }
+            }
+        },
+        {
+            "type": "Punctuator",
+            "value": "}",
+            "range": [
+                35,
+                36
+            ],
+            "loc": {
+                "start": {
+                    "line": 5,
+                    "column": 0
+                },
+                "end": {
+                    "line": 5,
+                    "column": 1
+                }
+            }
+        },
+        {
+            "type": "Keyword",
+            "value": "function",
+            "range": [
+                38,
+                46
+            ],
+            "loc": {
+                "start": {
+                    "line": 7,
+                    "column": 0
+                },
+                "end": {
+                    "line": 7,
+                    "column": 8
+                }
+            }
+        },
+        {
+            "type": "Identifier",
+            "value": "__Bar",
+            "range": [
+                47,
+                52
+            ],
+            "loc": {
+                "start": {
+                    "line": 7,
+                    "column": 9
+                },
+                "end": {
+                    "line": 7,
+                    "column": 14
+                }
+            }
+        },
+        {
+            "type": "Punctuator",
+            "value": "(",
+            "range": [
+                52,
+                53
+            ],
+            "loc": {
+                "start": {
+                    "line": 7,
+                    "column": 14
+                },
+                "end": {
+                    "line": 7,
+                    "column": 15
+                }
+            }
+        },
+        {
+            "type": "Punctuator",
+            "value": ")",
+            "range": [
+                53,
+                54
+            ],
+            "loc": {
+                "start": {
+                    "line": 7,
+                    "column": 15
+                },
+                "end": {
+                    "line": 7,
+                    "column": 16
+                }
+            }
+        },
+        {
+            "type": "Punctuator",
+            "value": "{",
+            "range": [
+                55,
+                56
+            ],
+            "loc": {
+                "start": {
+                    "line": 7,
+                    "column": 17
+                },
+                "end": {
+                    "line": 7,
+                    "column": 18
+                }
+            }
+        },
+        {
+            "type": "Punctuator",
+            "value": "}",
+            "range": [
+                58,
+                59
+            ],
+            "loc": {
+                "start": {
+                    "line": 9,
+                    "column": 0
+                },
+                "end": {
+                    "line": 9,
+                    "column": 1
+                }
+            }
+        }
+    ]
+};
diff --git a/tests/fixtures/basics/identifiers-double-underscore.src.js b/tests/fixtures/basics/identifiers-double-underscore.src.js
new file mode 100644
index 0000000..b765d56
--- /dev/null
+++ b/tests/fixtures/basics/identifiers-double-underscore.src.js
@@ -0,0 +1,9 @@
+var __test = 'ff';
+
+class __Foo {
+
+}
+
+function __Bar() {
+
+}