diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index f74677aa3..e5289be74 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -141,7 +141,9 @@ jobs:
         if: matrix.platform.benchmark
 
       - uses: benchmark-action/github-action-benchmark@v1
-        if: matrix.platform.benchmark
+        # Avoid posting messages on forks until we figure out how to make it work
+        # See https://github.com/benchmark-action/github-action-benchmark/issues/279
+        if: matrix.platform.benchmark && github.event.pull_request.head.repo.fork == false
         with:
           name: Benchmark (${{ matrix.platform.benchmark }})
           tool: googlecpp