diff --git a/build/cocos2d_tests.xcodeproj/project.pbxproj b/build/cocos2d_tests.xcodeproj/project.pbxproj
index a6b45d648b..96f50d8403 100644
--- a/build/cocos2d_tests.xcodeproj/project.pbxproj
+++ b/build/cocos2d_tests.xcodeproj/project.pbxproj
@@ -5714,7 +5714,7 @@
 					"CC_ENABLE_CHIPMUNK_INTEGRATION=1",
 				);
 				GCC_SYMBOLS_PRIVATE_EXTERN = YES;
-				GCC_TREAT_WARNINGS_AS_ERRORS = NO;
+				GCC_TREAT_WARNINGS_AS_ERRORS = YES;
 				GCC_WARN_ABOUT_RETURN_TYPE = YES;
 				GCC_WARN_HIDDEN_VIRTUAL_FUNCTIONS = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
@@ -5742,7 +5742,7 @@
 					"CC_ENABLE_CHIPMUNK_INTEGRATION=1",
 				);
 				GCC_SYMBOLS_PRIVATE_EXTERN = YES;
-				GCC_TREAT_WARNINGS_AS_ERRORS = NO;
+				GCC_TREAT_WARNINGS_AS_ERRORS = YES;
 				GCC_WARN_ABOUT_RETURN_TYPE = YES;
 				GCC_WARN_HIDDEN_VIRTUAL_FUNCTIONS = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;