diff --git a/.travis.yml b/.travis.yml
index c05108adae188bd83b86ee0f6bf444169f022235..5c5795e489a4c2c01f8b8651fdff5306ddac54e5 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -19,7 +19,7 @@ matrix:
           sudo: false
         - os: osx
           osx_image: xcode7
-          env: SPEC=macx-clang CONFIG=debug
+          env: SPEC=macx-clang CONFIG=debug QT_FATAL_WARNINGS=1
         - os: osx
           osx_image: xcode7
           env: SPEC=macx-clang CONFIG=installer