Membership Plugin with WPML?

Hi

i have a multilingual website so i need to use membership plugin for both languages.
The English version of the website is working just fine, but when i change the language to the other one which is Arabic and then press on the sign up button it dosent go to the user registration form it goes to another page.
Could anyone please help me ASAP.

Note: I using WPML plugin to translate the membership plugin.

Thanks