diff --git a/lib/tasks/create_site.rake b/lib/tasks/create_site.rake
index 9128559..a9b82b6 100644
--- a/lib/tasks/create_site.rake
+++ b/lib/tasks/create_site.rake
@@ -49,11 +49,16 @@ namespace :create_site do
         db_setting_text = ssh.exec!("cat #{args.path}/#{@site_construct.get_site_name}/config/mongoid.yml")
         update_infos("setting dbname to #{@site_construct.db_name}")
         exec_ssh_command_by_sudo_for_create(ssh,"sh -c \"echo '#{db_setting_text.gsub("orbit_4_5",@site_construct.db_name)}' > #{args.path}/#{@site_construct.get_site_name}/config/mongoid.yml\"",true)
-        gemdir = ssh.exec!("/home/#{args.user}/.rvm/bin/rvm gemdir").to_s
+        rvm_path = ssh.exec!("which rvm").to_s.strip
+        if rvm_path.blank?
+          rvm_path = "/home/#{args.user}/.rvm/bin/rvm"
+        end
+        gemdir = ssh.exec!("#{rvm_path} gemdir").to_s
         if gemdir.include?("No such file or directory")
           ls = ssh.exec!("echo `ls /home`").to_s.split
           ls.each do |d|
-            gemdir = ssh.exec!("/home/#{d}/.rvm/bin/rvm gemdir").to_s
+            rvm_path = "/home/#{d}/.rvm/bin/rvm"
+            gemdir = ssh.exec!("#{rvm_path} gemdir").to_s
             break if !gemdir.to_s.include?("No such file or directory")
           end
         end