diff --git a/regression/cbmc-java/lambda2/SymStream.class b/regression/cbmc-java/lambda2/SymStream.class
new file mode 100644
index 00000000000..a473c854861
Binary files /dev/null and b/regression/cbmc-java/lambda2/SymStream.class differ
diff --git a/regression/cbmc-java/lambda2/readme.txt b/regression/cbmc-java/lambda2/readme.txt
new file mode 100644
index 00000000000..38647bdebb1
--- /dev/null
+++ b/regression/cbmc-java/lambda2/readme.txt
@@ -0,0 +1 @@
+from https://github.com/symphonyoss/symphony-java-client/
diff --git a/regression/cbmc-java/lambda2/test.desc b/regression/cbmc-java/lambda2/test.desc
new file mode 100644
index 00000000000..2127f00ead7
--- /dev/null
+++ b/regression/cbmc-java/lambda2/test.desc
@@ -0,0 +1,9 @@
+KNOWNBUG
+SymStream.class
+--verbosity 10 --show-goto-functions
+lambda function reference org/symphonyoss/symphony/clients/model/SymUser\.toSymUser in class \"SymStream\"
+^EXIT=0
+^SIGNAL=0
+--
+--
+lambda functions without "lambda$" prefix aren't recognized currently TG-2691
diff --git a/regression/cbmc-java/lambda2/test_no_crash.desc b/regression/cbmc-java/lambda2/test_no_crash.desc
new file mode 100644
index 00000000000..933732babea
--- /dev/null
+++ b/regression/cbmc-java/lambda2/test_no_crash.desc
@@ -0,0 +1,8 @@
+CORE
+SymStream.class
+--verbosity 10 --show-goto-functions
+^EXIT=0
+^SIGNAL=0
+--
+--
+just to test that it doesn't crash in this situation, cf. TG-2684
diff --git a/src/java_bytecode/java_bytecode_parser.cpp b/src/java_bytecode/java_bytecode_parser.cpp
index cce0f95a89c..d4eb82002c0 100644
--- a/src/java_bytecode/java_bytecode_parser.cpp
+++ b/src/java_bytecode/java_bytecode_parser.cpp
@@ -1893,10 +1893,18 @@ void java_bytecode_parsert::read_bootstrapmethods_entry(classt &parsed_class)
       optionalt<lambda_method_handlet> lambda_method_handle =
         parse_method_handle(method_handle_infot{method_handle_argument});
 
-      if(
-        !lambda_method_handle.has_value() ||
+      if(!lambda_method_handle.has_value())
+      {
+        lambda_method_handlet lambda_method_handle;
+        lambda_method_handle.handle_type = method_handle_typet::UNKNOWN_HANDLE;
+        lambda_method_handle.u2_values = std::move(u2_values);
+        parsed_class.lambda_method_handle_map[{parsed_class.name, i}] =
+          lambda_method_handle;
+        return;
+      }
+      else if(
         lambda_method_handle->handle_type !=
-          method_handle_typet::LAMBDA_METHOD_HANDLE)
+        method_handle_typet::LAMBDA_METHOD_HANDLE)
       {
         lambda_method_handle->u2_values = std::move(u2_values);
         error() << "ERROR: could not parse lambda function method handle"