lib/polyfill/v2_4/string/concat.rb in polyfill-0.1.0 vs lib/polyfill/v2_4/string/concat.rb in polyfill-0.2.0

@@ -13,11 +13,13 @@
 
             replace(acc)
           end if RUBY_VERSION < '2.4.0'
         end
 
-        refine ::String do
-          include Method
+        if RUBY_VERSION < '2.4.0'
+          refine ::String do
+            include Method
+          end
         end
       end
     end
   end
 end