diff --git a/wxPython/distrib/mac/MacPython/resources/postflight b/wxPython/distrib/mac/MacPython/resources/postflight
index 7b3a635933..1ca0459997 100755
--- a/wxPython/distrib/mac/MacPython/resources/postflight
+++ b/wxPython/distrib/mac/MacPython/resources/postflight
@@ -18,6 +18,8 @@ else
     TOOLDIR=$DEST/bin
 fi
 
+# Make sure the dir exists
+mkdir -p $TOOLDIR
 
 # Make some links to the python executable
 if [ -e $TOOLDIR/python$PYVER]; then