diff --git a/script/test b/script/test
index 97fd5ee5..1ed3dd7f 100755
--- a/script/test
+++ b/script/test
@@ -4,10 +4,14 @@
 #   script/test
 #   script/test <hi>
 
-git diff --name-only origin $(git log --pretty=format:"%h" -2 | tail -1) | grep -v '^site/' || {
+set -x
+
+if [[ "$TRAVIS_PULL_REQUEST" != "" ]] || [[ "$TRAVIS_PULL_REQUEST" != "false" ]]; then
+  git diff --name-only origin $(git log --pretty=format:"%h" -2 | tail -1) | grep -v '^site/' || {
     echo "No lib files have changed, skipping Jekyll tests!"
     exit 0
-}
+  }
+fi
 
 if [ -z "$1" ]; then
   TEST_FILES="test/test_*.rb"