diff --git a/.travis.yml b/.travis.yml
index 119dec8..6e72e0b 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -72,7 +72,7 @@ script:
  # Exit code 129 means warnings only.
  - if [[ "${BUILDMAN}" != "" ]]; then
      set +e;
-     tools/buildman/buildman ${BUILDMAN};
+     tools/buildman/buildman -P ${BUILDMAN};
      ret=$?;
      if [[ $ret -eq 0 || $ret -eq 129 ]]; then
        exit 0;