diff --git a/.github/workflows/assistant-to-the-branch-manager.yml b/.github/workflows/assistant-to-the-branch-manager.yml
index cc0aae0a00f7..07b6372a8348 100644
--- a/.github/workflows/assistant-to-the-branch-manager.yml
+++ b/.github/workflows/assistant-to-the-branch-manager.yml
@@ -12,6 +12,7 @@ permissions:
 jobs:
   assistant_to_the_branch_manager:
     runs-on: ubuntu-latest
+    if: github.event.repository.fork == false
     steps:
       - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
         with: