diff --git a/src/chat_system.c b/src/chat_system.c
index fb23e59..9d28814 100644
--- a/src/chat_system.c
+++ b/src/chat_system.c
@@ -21,7 +21,7 @@ static int line_at;
 static int row_at;
 static char sbuf[512];
 extern struct user_record gUser;
-extern usertimeout;
+extern int usertimeout;
 
 struct chat_msg {
     char nick[16];