diff --git a/.travis.yml b/.travis.yml
index 8a33802c0a..462ef0376b 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -43,7 +43,7 @@ script:
 
 # Automatically update the trait documentation and Lua API
 after_success:
- - test $TRAVIS_PULL_REQUEST == "false" && cd packaging && ./update-wiki.sh $TRAVIS_BRANCH; cd ..
+ - test "$TRAVIS_OS_NAME" == "linux" && test $TRAVIS_PULL_REQUEST == "false" && cd packaging && ./update-wiki.sh $TRAVIS_BRANCH; cd ..
 
 # Only watch the development branch and tagged release.
 branches: