diff --git a/bin/steps/pylibmc b/bin/steps/pylibmc
index 3fa2429eac991ecd207a4d6284275f0557b51eb9..d17e3b7d7446e8f02fd96599b25367bb8c909e21 100755
--- a/bin/steps/pylibmc
+++ b/bin/steps/pylibmc
@@ -9,7 +9,7 @@
 #
 # This script is invoked by [`bin/compile`](/).
 
-if [[ "$STACK" == "heroku-16" ]]; then
+if [[ "$STACK" != "cedar-14" ]]; then
     # libmemcached is pre-installed in the stack image so there is no need to vendor it.
     return 0
 fi