diff --git a/Library/ENV/4.3/cc b/Library/ENV/4.3/cc
index 42771a4d0c..1500458de9 100755
--- a/Library/ENV/4.3/cc
+++ b/Library/ENV/4.3/cc
@@ -336,5 +336,5 @@ if __FILE__ == $PROGRAM_NAME
   LOGGER.log!
 
   args << { :close_others => false } if RUBY_VERSION >= "2.0"
-  exec "xcrun", tool, *args
+  exec "#{File.dirname($0)}/xcrun", tool, *args
 end