diff --git a/lib/$.coffee b/lib/$.coffee
index 1e171fdfa..f29da985b 100644
--- a/lib/$.coffee
+++ b/lib/$.coffee
@@ -273,6 +273,7 @@ do ->
       if arguments.length is 1
         for key, val of key
           set key, val
+        return
       else
         set key, val
 <% } else { %>
@@ -308,6 +309,7 @@ do ->
       if arguments.length is 1
         for key, val of key
           set key, val
+        return
       else
         set key, val
 <% } %>