diff --git a/.github/templates/docker_context/action.yml b/.github/templates/docker_context/action.yml
index 528b3592..f5ec33fc 100644
--- a/.github/templates/docker_context/action.yml
+++ b/.github/templates/docker_context/action.yml
@@ -21,5 +21,5 @@ runs:
   using: "composite"
   steps:
     - id: environment-generator
-      run: ${{ github.action_path }}/docker_context.sh ${{modified_modules}}
+      run: ${{ github.action_path }}/docker_context.sh ${{input.modified_modules}}
       shell: bash