diff --git a/bin/compile b/bin/compile
index f145b1b..6b93f37 100755
--- a/bin/compile
+++ b/bin/compile
@@ -56,7 +56,7 @@ echo "-----> Preparing virtualenv version $(virtualenv --version)"
 virtualenv --no-site-packages . | indent
 
 # create set-aside .heroku folder.
-mkdir .heroku
+mkdir -p .heroku
 
 
 # if pylibmc within requirements, use vendored libmemcached