diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 6633035..a058769 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -12,4 +12,4 @@ jobs:
             util.sh
             README.md
       - name: Show diff
-        run: echo env.GIT_DFF
+        run: echo {{ env.GIT_DFF }}