diff --git a/.utility/do-publish.sh b/.utility/do-publish.sh
index 3ec4e9f..b7adacb 100644
--- a/.utility/do-publish.sh
+++ b/.utility/do-publish.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-if [ "$TRAVIS_REPO_SLUG" != "MilkBowl/VaultAPI"] || [ "$TRAVIS_PULL_REQUEST" == "true" ] || [ "$TRAVIS_BRANCH" != "master" ]
+if [[ "$TRAVIS_REPO_SLUG" != "MilkBowl/VaultAPI" || "$TRAVIS_PULL_REQUEST" == "true" || "$TRAVIS_BRANCH" != "master" ]]
 then
         echo 'Travis can only publish docs for release builds.'
         return 0