diff --git a/dev-support/test-patch.sh b/dev-support/test-patch.sh
index 540772294dd..6b5515e2a25 100755
--- a/dev-support/test-patch.sh
+++ b/dev-support/test-patch.sh
@@ -21,9 +21,9 @@ bindir=$(dirname $0)
 
 # Defaults
 if [ -z "$MAVEN_HOME" ]; then
-  MVN=mvn -U
+  MVN="mvn -U"
 else
-  MVN=$MAVEN_HOME/bin/mvn -U
+  MVN="$MAVEN_HOME/bin/mvn -U"
 fi
 
 PROJECT_NAME=HBase