diff --git a/.github/workflows/wheel-builder.yml b/.github/workflows/wheel-builder.yml
index b91ffa2..6a6c140 100644
--- a/.github/workflows/wheel-builder.yml
+++ b/.github/workflows/wheel-builder.yml
@@ -6,7 +6,7 @@ on:
 
 jobs:
   build:
-    if: ${{ contains(github.event.pull_request.title, "build:") }}
+    if: "contains(github.event.pull_request.title, 'build:')"
     runs-on: ubuntu-latest
 
     steps: