diff --git a/.github/workflows/extensions-build.yml b/.github/workflows/extensions-build.yml
index 7048ff76..3bc943dc 100644
--- a/.github/workflows/extensions-build.yml
+++ b/.github/workflows/extensions-build.yml
@@ -10,7 +10,7 @@ on:
       branch:
         description: 'Branch to build'
         required: false
-        default: ${{ github.ref_name }}
+        default: ${{ github.ref }}
 jobs:
   build-base:
     runs-on: ubuntu-latest