diff --git a/webpack_if_prod.sh b/webpack_if_prod.sh
index 58e68e8620..67340508c6 100755
--- a/webpack_if_prod.sh
+++ b/webpack_if_prod.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
-set -euf -o pipefail
-if [[ "$NODE_ENV" != "development" ]]
+set -ef -o pipefail
+if [[ "$NODE_ENV" != "" && "$NODE_ENV" != "development" ]]
 then
     node node_modules/webpack/bin/webpack.js --config webpack.config.prod.js --bail
 fi