diff --git a/lib/redis/connection/memory.rb b/lib/redis/connection/memory.rb
index a613bfc..a3ba7c3 100644
--- a/lib/redis/connection/memory.rb
+++ b/lib/redis/connection/memory.rb
@@ -122,7 +122,7 @@ def flushall
         "OK"
       end
 
-      def auth(password)
+      def auth(*args)
         "OK"
       end