diff --git a/.env.travis b/.env.travis
index cd8aad21..125fcdd4 100644
--- a/.env.travis
+++ b/.env.travis
@@ -10,4 +10,4 @@ CACHE_DRIVER=array
 SESSION_DRIVER=array
 QUEUE_DRIVER=sync
 
-SCOUT_DRIVER=null
+SCOUT_DRIVER="null"