diff --git a/.github/workflows/lnt-benchmarks.yml b/.github/workflows/lnt-benchmarks.yml
index 18a0764b12f7..12ac19d517a6 100644
--- a/.github/workflows/lnt-benchmarks.yml
+++ b/.github/workflows/lnt-benchmarks.yml
@@ -14,6 +14,7 @@ concurrency:
 jobs:
 
   lnt-benchmarks:
+    if: github.event_name == 'pull_request' && !github.event.pull_request.head.repo.fork
     uses: matter-labs/era-compiler-ci/.github/workflows/lnt.yml@aba-dev-machine-support
     secrets: inherit
     with: