diff --git a/docs/fate-rpg.org b/docs/fate-rpg.org
index 0e2ec95..73c1143 100644
--- a/docs/fate-rpg.org
+++ b/docs/fate-rpg.org
@@ -40,7 +40,7 @@ Let's have a function that can roll four dice and give a list of the tuples.
   "Return a list of Fate roll results. Each element of the list
 is a cons of its value and its visual representation, see
 `rpgdm--fate-die'."
-  punless number
+  (unless number
     (setq number 4))
   (let (results)
     (--dotimes number
diff --git a/rpgdm-fate.el b/rpgdm-fate.el
index 35b98be..65bb44f 100644
--- a/rpgdm-fate.el
+++ b/rpgdm-fate.el
@@ -8,7 +8,7 @@
   "Return a list of Fate roll results. Each element of the list
 is a cons of its value and its visual representation, see
 `rpgdm--fate-die'."
-  punless number
+  (unless number
     (setq number 4))
   (let (results)
     (--dotimes number