diff --git a/src/cfg.rs b/src/cfg.rs
index 575fdef..de152a5 100644
--- a/src/cfg.rs
+++ b/src/cfg.rs
@@ -24,6 +24,7 @@ langs = [
   "c",
   "cpp",
   "csharp",
+  "elixir",
   "golang",
   "java",
   "javascript",
diff --git a/src/helper.rs b/src/helper.rs
index a282134..454801d 100644
--- a/src/helper.rs
+++ b/src/helper.rs
@@ -170,6 +170,7 @@ mod file {
             "c" => Ok("c"),
             "cpp" => Ok("cpp"),
             "csharp" => Ok("cs"),
+            "elixir" => Ok("ex"),
             "golang" => Ok("go"),
             "java" => Ok("java"),
             "javascript" => Ok("js"),