diff --git a/battleman.py b/battleman.py
index c48c054..4ab8153 100755
--- a/battleman.py
+++ b/battleman.py
@@ -60,7 +60,7 @@ class CombatGroup():
 
 
     def roll_init(self):
-        d = Dice.from_desc('1d20+{}'.format(self.init_mod))
+        d = Dice.from_str('1d20+{}'.format(self.init_mod))
         self.set_init(d.roll()['total'])