diff --git a/.travis.yml b/.travis.yml
index e22fb4f4..8674e625 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -110,7 +110,7 @@ matrix:
             - *base_sources
 
     # OSX Clang, C++14, Debug
-    - if: branch =~ ^master 
+    - if: branch != master 
       os: osx
       compiler: clang++
       env: