diff --git a/.github/workflows/backup_call.yaml b/.github/workflows/backup_call.yaml
index 344992d0..040b1d60 100644
--- a/.github/workflows/backup_call.yaml
+++ b/.github/workflows/backup_call.yaml
@@ -16,7 +16,7 @@ on:
         required: true
         type: string
 
-concurrency: ${{ZENODO_URL}}-call
+concurrency: ${{inputs.ZENODO_URL}}-call
 
 env:
   S3_HOST: ${{inputs.S3_HOST}}