diff --git a/googlemock/test/gmock-matchers_test.cc b/googlemock/test/gmock-matchers_test.cc
index 98b814ba..96ca8959 100644
--- a/googlemock/test/gmock-matchers_test.cc
+++ b/googlemock/test/gmock-matchers_test.cc
@@ -140,7 +140,7 @@ Matcher<int> GreaterThan(int n) {
 
 std::string OfType(const std::string& type_name) {
 #if GTEST_HAS_RTTI
-  return " (of type " + type_name + ")";
+  return IsReadableTypeName(type_name) ? " (of type " + type_name + ")" : "";
 #else
   return "";
 #endif