diff --git a/packages/rocketchat-lib/server/methods/setUsername.coffee b/packages/rocketchat-lib/server/methods/setUsername.coffee
index de0135aacfb359fe0f785678f3c97f0c6ab3ff56..af260d1eac33930c9b3df8624f9d0f7d482074e4 100644
--- a/packages/rocketchat-lib/server/methods/setUsername.coffee
+++ b/packages/rocketchat-lib/server/methods/setUsername.coffee
@@ -1,5 +1,5 @@
 Meteor.methods
-	setUsername: (username, {joinDefaultChannelsSilenced}) ->
+	setUsername: (username, {joinDefaultChannelsSilenced}={}) ->
 
 		check username, String