diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml
index 10d8a8d5316..551e4e66b9d 100644
--- a/.github/workflows/build.yaml
+++ b/.github/workflows/build.yaml
@@ -19,6 +19,7 @@ permissions:
 jobs:
   build:
     uses: Thodor12/operapublicacreator/.github/workflows/gradle.build.yaml@18f3f7d0191d1a567efcd04dbab91253407db79a
+    if: github.event_name != 'pull_request' || github.event.pull_request.head.repo.full_name != github.event.pull_request.base.repo.full_name
     with:
       java: 17
     secrets: inherit