diff --git a/cpp/CMakeLists.txt b/cpp/CMakeLists.txt
index 434c593bd..b3ecc4fbe 100644
--- a/cpp/CMakeLists.txt
+++ b/cpp/CMakeLists.txt
@@ -358,7 +358,7 @@ add_metadata_gen_target (
   ${TEST_METADATA_TARGET}
   "${RESOURCES_DIR}/PhoneNumberMetadataForTesting.xml"
   "test_metadata"
-  "metadata"
+  "test_metadata"
 )
 list (APPEND TESTING_LIBRARY_SOURCES "src/phonenumbers/test_metadata.cc")