diff --git a/.cirrus.yml b/.cirrus.yml
index 99a6e0106897..18417b52e6c9 100644
--- a/.cirrus.yml
+++ b/.cirrus.yml
@@ -23,6 +23,7 @@ task:
       TOOLCHAIN: llvm15
       TOOLCHAIN_PKG: ${TOOLCHAIN}-lite
   - name: amd64-llvm16 World and kernel build and boot smoke test
+    only_if: $CIRRUS_REPO_FULL_NAME != 'freebsd/freebsd-src' || $CIRRUS_BRANCH =~ 'pull/.*'
     env:
       TARGET: amd64
       TARGET_ARCH: amd64