diff --git a/server/masterserver/app.cc b/server/masterserver/app.cc
index 25b5a68..a87e85a 100755
--- a/server/masterserver/app.cc
+++ b/server/masterserver/app.cc
@@ -493,7 +493,7 @@ void App::LoadSeparateChannelConfig()
             separate_channel_hash_.insert(channel);
         }
     }
-    a8::UdpLog::Instance()->Info("LoadSeparateChannelConfig channelids:",
+    a8::UdpLog::Instance()->Info("LoadSeparateChannelConfig channelids:%s",
                                  {
                                      GetSeparateChannelConfigData()
                                  });