diff --git a/scripts/travis-trigger-hugo-build.sh b/scripts/travis-trigger-hugo-build.sh
index 36919dea..79ba70f0 100644
--- a/scripts/travis-trigger-hugo-build.sh
+++ b/scripts/travis-trigger-hugo-build.sh
@@ -10,7 +10,7 @@ body='{
   "branch":"hugo",
   "config": {
     "env": {
-      "matrix": ["UPDATE_COMMIT=$TRAVIS_COMMIT"]
+      "matrix": ["UPDATE_COMMIT='"$TRAVIS_COMMIT"'"]
     }
   }
 }}'