diff --git a/nginx-pwa/etc/nginx/entrypoint.d/90-envsubst-on-config-js.sh b/nginx-pwa/etc/nginx/entrypoint.d/90-envsubst-on-config-js.sh
index 94f95b7..d54d37f 100755
--- a/nginx-pwa/etc/nginx/entrypoint.d/90-envsubst-on-config-js.sh
+++ b/nginx-pwa/etc/nginx/entrypoint.d/90-envsubst-on-config-js.sh
@@ -6,7 +6,7 @@ set -e
 ME=$(basename $0)
 
 test -z "$NGINX_CONFIG_JS_PATH" && exit 0
-test ! -f "$NGINX_CONFIG_JS_PATH" && exit 0
+test ! -f "$NGINX_CONFIG_JS_PATH" && exit 1
 
 definedEnvs=$(printf '${%s} ' $(env | cut -d= -f1))
 if [ ! -w "$NGINX_CONFIG_JS_PATH" ]; then