diff --git a/package/linux/travis-setup.sh b/package/linux/travis-setup.sh
index e05f55534..19f206c37 100755
--- a/package/linux/travis-setup.sh
+++ b/package/linux/travis-setup.sh
@@ -37,4 +37,5 @@ elif [ $TRAVIS_OS_NAME == "osx" ]; then
     fi
     export PATH=${PATH}:${WXDIR}
     cd $TRAVIS_BUILD_DIR # go back to the build dir
+    brew install wxmac # install via homebrew
 fi