diff --git a/patchfile.gemspec b/patchfile.gemspec
index 49a35a3..421b0e7 100644
--- a/patchfile.gemspec
+++ b/patchfile.gemspec
@@ -37,9 +37,9 @@ if !Dir.exist?("#{ENV['PWD']}"+"/app/assets/stylesheets/lib/jquery-ui-1.12.1/")
 	end
 end
 @original_dir = Dir.pwd
-`cd #{ENV['PWD']}`
+`cd "#{ENV['PWD']}"`
 `git add  app/templates/ app/assets  built_in_extensions.rb  config/mongoid.yml bin/` #using git to add modified files and to avoid git pull not working
-`cd #{@original_dir}`
+`cd "#{@original_dir}"`
 #Add patchfile to Admin area
 @patchfile_li = File.read(app_path+"/patchfile_li.txt")
 @patchfile_li_choices = File.read(app_path+"/patchfile_li_choices.txt")