diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index b38d742..ec65772 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -88,7 +88,7 @@ jobs:
 
       - name: Generate diff
         run: |
-          make diff > diff.md
+          make OUTPUT=diff.md
 
       - name: Publish GitHub Release
         if: github.event.inputs.target== 'PyPi'