diff --git a/.github/workflows/gerrit-packer-verify.yaml b/.github/workflows/gerrit-packer-verify.yaml
index cbda498d9a..84d0b1bb58 100644
--- a/.github/workflows/gerrit-packer-verify.yaml
+++ b/.github/workflows/gerrit-packer-verify.yaml
@@ -111,7 +111,7 @@ jobs:
         id: changes
         with:
           base: ${{ inputs.GERRIT_BRANCH }}
-          ref: ${{ inputs.GERRIT_REFSPEC }}
+          ref: ${{ inputs.GERRIT_PATCHSET_REVISION }}
           filters: |
             src:
               - 'packer/**'