Italy's Tuttosport is reporting that formula one's governing body will shortly formalise their advice to teams that what was uncovered at Hockenheim last weekend will no longer be tolerated.
The FIA's Jo Bauer had flagged up Red Bull's engine settings at Hockenheim, admitting he thought the 'maps' on Sebastian Vettel and Mark Webber's cars were not legal.
The stewards, however, found that while the settings were suspect - reportedly amounting to a form of legal traction control and increased engine exhaust blowing - the letter of the existing rules prevented them from taking action.
So Tuttosport said a clarification of the rule will now "be formalised in the next 48 hours".
Brazil's O Estado de S.Paulo newspaper is reporting the same.
Correspondent Livio Oricchio said the FIA told teams on Tuesday that the text of the relevant regulation will be tweaked to "avoid the interpretation" that was cited by Red Bull in the stewards' room at Hockenheim.
"We rely on the regulator, the FIA, to make sure the fight is fair," Ferrari team boss Stefano Domenicali said.