diff --git a/phoenix_static_buildpack.config b/phoenix_static_buildpack.config
index 8d58875..2827d24 100644
--- a/phoenix_static_buildpack.config
+++ b/phoenix_static_buildpack.config
@@ -1,3 +1,5 @@
 # Avoid Webpack Errors by using latest node:
 node_version=12.16.1
 npm_version=6.14.1
+assets_path=assets
+phoenix_ex=phx