lib/phonetics/levenshtein.rb in phonetics-1.1.0 vs lib/phonetics/levenshtein.rb in phonetics-1.1.1

@@ -20,9 +20,10 @@
       prepare_matrix
       set_edit_distances(ipa_str1, ipa_str2)
     end
 
     def distance
+      return 0 if walk.empty?
       walk.last[:distance]
     end
 
     def self.distance(str1, str2)
       new(str1, str2).distance