diff --git a/postinstall.sh b/postinstall.sh
index 6d4b7a03..513f37c0 100755
--- a/postinstall.sh
+++ b/postinstall.sh
@@ -2,6 +2,8 @@ set -o errexit
 set -o pipefail
 
 if [ $NODE_ENV == 'production' ]; then
+	chmod +x src/enterContainer.sh
+
 	node ./node_modules/coffee-script/bin/coffee -c ./src
 	# We don't need coffee-script at runtime
 	npm uninstall coffee-script