diff --git a/Protobuf-C++.podspec b/Protobuf-C++.podspec
index 0399254903..c235e001a2 100644
--- a/Protobuf-C++.podspec
+++ b/Protobuf-C++.podspec
@@ -21,7 +21,7 @@ Pod::Spec.new do |s|
                     'src/google/**/*_unittest.{h,cc}',
                     'src/google/protobuf/test_util*.{h,cc}',
                     'src/google/protobuf/map_lite_test_util.{h,cc}',
-                    'src/google/protobuf/map_test_util*.{h,cc,inc}'
+                    'src/google/protobuf/map_test_util*.{h,cc,inc}',
                     'src/google/protobuf/reflection_tester.{h,cc}'
 
   s.header_mappings_dir = 'src'