diff --git a/.github/workflows/pycram-ci.yml b/.github/workflows/pycram-ci.yml
index 9ecd5859f..eef462fe2 100644
--- a/.github/workflows/pycram-ci.yml
+++ b/.github/workflows/pycram-ci.yml
@@ -32,8 +32,8 @@ jobs:
       - uses: actions/checkout@v3
         with:
           path: 'ros_ws/src/pycram'
-          repository: $GITHUB_REPOSITORY
-          ref: $GITHUB_REF_NAME
+          repository: ${{GITHUB_REPOSITORY}}
+          ref: ${{GITHUB_REF_NAME}}
           submodules: recursive
 
       - name: Checkout iai_maps