diff --git a/.github/workflows/increase-build-number.yaml b/.github/workflows/increase-build-number.yaml
index 7eaf558..81adc05 100644
--- a/.github/workflows/increase-build-number.yaml
+++ b/.github/workflows/increase-build-number.yaml
@@ -10,7 +10,7 @@ permissions:
 
 jobs:
   increase-build-number:
-    if: !startsWith(github.event.pull_request.title, 'ci:')
+    if: "!startsWith(github.event.pull_request.title, 'ci:')"
     name: Increase build number
     runs-on: ubuntu-latest
     steps: