diff --git a/Tools/XcodeCapp/TNXCodeCapp.m b/Tools/XcodeCapp/TNXCodeCapp.m
index 051bc0e1f..ca3ef9cc9 100644
--- a/Tools/XcodeCapp/TNXCodeCapp.m
+++ b/Tools/XcodeCapp/TNXCodeCapp.m
@@ -68,7 +68,7 @@ NSString * const XCCListeningStartNotification = @"XCCListeningStartNotification
         
         [self setSupportFileLevelAPI:versionMajor >= 10 && versionMinor >= 7];
         // Uncomment to simulate 10.6 mode
-        //[self setSupportFileLevelAPI:NO];
+        [self setSupportFileLevelAPI:NO];
         
         [self configure];