lib/numb/harshad.rb in numb-0.6.0 vs lib/numb/harshad.rb in numb-0.6.1

@@ -1,8 +1,8 @@
 # coding: utf-8
 class Integer
   def harshad?
-    return false unless self >= 0
+    return false unless self >= 1
     (self %  digital_sum) == 0
   end
   alias :niven? :harshad?
 end