diff --git a/lib/em-irc/client.rb b/lib/em-irc/client.rb
index 164bdbe..d16373c 100644
--- a/lib/em-irc/client.rb
+++ b/lib/em-irc/client.rb
@@ -167,7 +167,8 @@ def ready
       end
 
       # @private
-      def unbind(ignored)
+      def unbind(reason)
+        log Logger::INFO "Unbind reason: #{reason}" if reason != nil
         trigger(:disconnect)
       end