diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index a2a437084..849edbe74 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -35,7 +35,7 @@ jobs:
 
       - name: Rebase
         # We can't rebase if we're on master already.
-        if: github.ref == 'refs/heads/master'
+        if: github.ref != 'refs/heads/master'
         run: |
           git config user.name github-actions
           git config user.email github-actions@github.com