lib/sastrawi/morphology/disambiguator/disambiguator_prefix_rule21a.rb in sastrawi-0.1.3 vs lib/sastrawi/morphology/disambiguator/disambiguator_prefix_rule21a.rb in sastrawi-0.1.4

@@ -6,10 +6,10 @@
           contains = /^per([aiueo])(.*)$/.match(word)
 
           if contains
             matches = contains.captures
 
-            return matches[0] << matches[1]
+            return "#{matches[0]}#{matches[1]}"
           end
         end
       end
     end
   end