diff --git a/sys/living/comm.h b/sys/living/comm.h
index 79a1283..dbb8164 100644
--- a/sys/living/comm.h
+++ b/sys/living/comm.h
@@ -98,7 +98,7 @@
 #define __LIVING_COMM_H_PROTO__
 
 protected string comm_guess_action();
-public varargs int ReceiveMsg(string msg, int msg_type = 0,
+public int ReceiveMsg(string msg, int msg_type = 0,
     string msg_action = comm_guess_action(), string msg_prefix = 0,
     object origin = previous_object());
 public int ReceiveWave(struct wave_s wave,