diff --git a/.travis.yml b/.travis.yml
index f7aea593..3c4468e4 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -31,5 +31,5 @@ install:
 
 script:
   - 'cd $TRAVIS_BUILD_DIR'
-  - 'make -j3'
+  - 'if [ "$TRAVIS_OS_NAME" = "osx" ] ; then make ; else make -j3 ; fi'
   - 'make ziprelease'