diff --git a/docker-compose.yml b/docker-compose.yml
index bf14f67c71..22ed6ac3b1 100755
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -13,6 +13,8 @@ services:
     build:
       context: .
       dockerfile: "Dockerfile.dev"
+      args:
+        - ELIXIR_DOCKER_IMAGE=${ELIXIR_DOCKER_IMAGE}
     ports:
       - "4000:4000"
     env_file:
diff --git a/tool-versions-to-env.sh b/tool-versions-to-env.sh
old mode 100644
new mode 100755