diff --git a/patchfile.gemspec b/patchfile.gemspec
index abf8deb..7cef338 100644
--- a/patchfile.gemspec
+++ b/patchfile.gemspec
@@ -48,7 +48,7 @@ all_template.each do |folder|
         texts = File.read(filename)
         new_texts = texts.gsub(check_text,change_text)
         if new_texts != texts
-          File.open(folder+filename,'w') do |f|
+          File.open(filename,'w') do |f|
             f.write new_texts
           end
         end