diff --git a/package/osx/travis-build-main.sh b/package/osx/travis-build-main.sh
index 935f0bf988..b2df40ace6 100755
--- a/package/osx/travis-build-main.sh
+++ b/package/osx/travis-build-main.sh
@@ -24,7 +24,7 @@ sudo rm -rf /opt/X11*
 export LIBRARY_PATH=/usr/local/lib
 
 # One Wx test fails on 10.12; seems harmless
-if [ $TRAVIS_OSX_IMAGE == 'xcode9.2']; then
+if [ $TRAVIS_OSX_IMAGE == 'xcode9.2' ]; then
     cpanm --local-lib local-lib -f Wx
 fi