diff --git a/.github/workflows/release_sample_app_workflow.yml b/.github/workflows/release_sample_app_workflow.yml
index 55d1f093..a882257e 100644
--- a/.github/workflows/release_sample_app_workflow.yml
+++ b/.github/workflows/release_sample_app_workflow.yml
@@ -69,7 +69,7 @@ jobs:
           serviceAccountJson: ./sample/google-play-store-service-account.json
           packageName: com.emarsys.sample
           releaseFiles: sample/build/outputs/bundle/release/sample-release.aab
-          track: ${{ github.event.workflow_run.inputs.track != null && github.event.workflow_run.inputs.track || alpha }}
+          track: ${{ github.event.workflow_run.inputs.track != null && github.event.workflow_run.inputs.track || 'alpha' }}
 
   Report:
     if: ${{ always() && github.event.workflow_run.conclusion == 'success' }}