Go to Cyanogenmod File Manager and enter settings to enable root access.
A pop-up should appear once you allow root access.
Choose allow root access forever.
Go to root folder and enter /system folder and open up build.prop file with text editor.
Edit this part:
I may be wrong and I am sorry about that but if this really works for you, please leave a thanks and reply!
Note: interceptor-ng does not work on all custom roms.