diff --git a/action.yml b/action.yml
index bf35f28..3444419 100644
--- a/action.yml
+++ b/action.yml
@@ -17,7 +17,7 @@ runs:
   using: docker
   image: Dockerfile
   args:
-    - ${{ inputs.file }}
+    - ${{ inputs.workdir }}
     - ${{ inputs.include_helpers }}
     - ${{ inputs.args }}
     - ${{ inputs.extra_system_packages }}