diff --git a/server/methods/createDirectMessage.coffee b/server/methods/createDirectMessage.coffee
index a1e212fbb1dd66eb8738536f8ba93a8fc452eb6b..5fa5934680c0a5389acd593b2143e48f296b7bc7 100644
--- a/server/methods/createDirectMessage.coffee
+++ b/server/methods/createDirectMessage.coffee
@@ -8,7 +8,7 @@ Meteor.methods
 		me = Meteor.user()
 
 		if me.username is username
-			return
+			throw new Meteor.Error('invalid-user', "[methods] createDirectMessage -> Invalid target user")
 
 		to = RocketChat.models.Users.findOneByUsername username