diff --git a/bin/steps/pylibmc b/bin/steps/pylibmc
index 19d83a9..33aa7fd 100755
--- a/bin/steps/pylibmc
+++ b/bin/steps/pylibmc
@@ -28,6 +28,7 @@ if (pip-grep -s requirements.txt pylibmc) then
     mkdir -p .heroku/vendor
     # Download and extract libmemcached into target vendor directory.
     curl $VENDORED_MEMCACHED -s | tar zxv -C .heroku/vendor &> /dev/null
+    ls -l .heroku/vendor
     export LIBMEMCACHED=$(pwd)/vendor
   fi