diff --git a/src/backend/jit/llvm/llvmjit_error.cpp b/src/backend/jit/llvm/llvmjit_error.cpp
index a2bdfe3fb87..baabfc4eb4c 100644
--- a/src/backend/jit/llvm/llvmjit_error.cpp
+++ b/src/backend/jit/llvm/llvmjit_error.cpp
@@ -9,7 +9,7 @@
  * Copyright (c) 2016-2018, PostgreSQL Global Development Group
  *
  * IDENTIFICATION
- *	  src/backend/jit/llvm/llvmjit_error.c
+ *	  src/backend/jit/llvm/llvmjit_error.cpp
  *
  *-------------------------------------------------------------------------
  */
diff --git a/src/backend/jit/llvm/llvmjit_inline.cpp b/src/backend/jit/llvm/llvmjit_inline.cpp
index b33a32141d1..ece898e6579 100644
--- a/src/backend/jit/llvm/llvmjit_inline.cpp
+++ b/src/backend/jit/llvm/llvmjit_inline.cpp
@@ -14,7 +14,7 @@
  * Copyright (c) 2016-2018, PostgreSQL Global Development Group
  *
  * IDENTIFICATION
- *	  src/backend/lib/llvmjit/llvmjit_inline.c
+ *	  src/backend/lib/llvmjit/llvmjit_inline.cpp
  *
  *-------------------------------------------------------------------------
  */
diff --git a/src/backend/jit/llvm/llvmjit_wrap.cpp b/src/backend/jit/llvm/llvmjit_wrap.cpp
index 4d0c3f680ff..7490805fdca 100644
--- a/src/backend/jit/llvm/llvmjit_wrap.cpp
+++ b/src/backend/jit/llvm/llvmjit_wrap.cpp
@@ -6,7 +6,7 @@
  * Copyright (c) 2016-2018, PostgreSQL Global Development Group
  *
  * IDENTIFICATION
- *	  src/backend/lib/llvm/llvmjit_wrap.c
+ *	  src/backend/lib/llvm/llvmjit_wrap.cpp
  *
  *-------------------------------------------------------------------------
  */