diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index d5b61bb..b175521 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -23,7 +23,7 @@ jobs:
 
       - name: Create pre-release
         uses: softprops/action-gh-release@v1
-        if: contains(github.ref_name, 'pre')
+        if: contains(github.event.workflow_run.head_branch, 'pre')
         with:
           name: ${{ github.event.workflow_run.head_branch }}
           tag_name: ${{ github.event.workflow_run.head_branch }}
@@ -33,7 +33,7 @@ jobs:
 
       - name: Create release
         uses: softprops/action-gh-release@v1
-        if: "!contains(github.ref_name, 'pre')"
+        if: "!contains(github.event.workflow_run.head_branch, 'pre')"
         with:
           name: ${{ github.event.workflow_run.head_branch }}
           tag_name: ${{ github.event.workflow_run.head_branch }}