diff --git a/modules/wolfgame.py b/modules/wolfgame.py
index 2845cfd..d5d6387 100644
--- a/modules/wolfgame.py
+++ b/modules/wolfgame.py
@@ -2536,7 +2536,7 @@ def fwait(cli, nick, chann_, rest):
         return
 
     rest = re.split(" +", rest.strip(), 1)[0]
-    if rest and rest.isdigit():
+    if rest and (rest.isdigit() or (rest[0] == '-' and rest[1:].isdigit())):
         if len(rest) < 4:
             extra = int(rest)
         else: