diff --git a/.gitea/workflows/build.yml b/.gitea/workflows/build.yml
index 556c80b..6b96eb2 100644
--- a/.gitea/workflows/build.yml
+++ b/.gitea/workflows/build.yml
@@ -40,4 +40,4 @@ jobs:
         env:
           SONAR_TOKEN: ${{ secrets.SONAR_TOKEN }}
           SONAR_HOST_URL: ${{ secrets.SONAR_HOST_URL }}
-        run: ./gradlew build sonar --info -Dsonar.pullrequest.key=${{ github.event.number }}
\ No newline at end of file
+        run: ./gradlew build sonar --info -Dsonar.pullrequest.key=${{ GITEA_PULL_REQUEST_INDEX }}
\ No newline at end of file