diff --git a/server/main_channel.c b/server/main_channel.c
index 1f407e23..4ddd38b1 100644
--- a/server/main_channel.c
+++ b/server/main_channel.c
@@ -677,7 +677,7 @@ static int main_channel_handle_parsed(RedChannel *channel, uint32_t size, uint16
         if (!main_chan) {
             return FALSE;
         }
-        reds_on_main_agent_start(main_chan);
+        reds_on_main_agent_start();
         break;
     case SPICE_MSGC_MAIN_AGENT_DATA: {
         reds_on_main_agent_data(message, size);