diff --git a/distrib/scripts/mac/lipo-dir.py b/distrib/scripts/mac/lipo-dir.py
index 79678a515b..aaee9d0735 100644
--- a/distrib/scripts/mac/lipo-dir.py
+++ b/distrib/scripts/mac/lipo-dir.py
@@ -24,6 +24,8 @@ def lipo_walker(data, dirname, names):
                 print "Successfully created %s" % outputfile
         else:
             if os.path.islink(fullpath):
+                if os.path.exists(outputfile):
+                    os.remove(outputfile)
                 linkto = os.readlink(fullpath)
                 
                 if linkto.startswith(ppc_basedir):
@@ -51,4 +53,4 @@ if __name__ == "__main__":
     outputdir = sys.argv[3]
         
     os.path.walk(ppc_basedir, lipo_walker, None)
-    
\ No newline at end of file
+