Thorgan Hazard has revealed his brother Eden blamed him for the knock he picked up in Belgium's friendly win over Costa Rica.
The Chelsea star was substituted after 70 minutes of the 4-1 victory, but manager Roberto Martinez denied it was anything serious.
Borussia Moenchengladbach's Hazard said: "It is not the time to take risks. He had done enough in the game to be able to come off. Eden said it was my fault.
"When I wanted to pass to him, it fell a bit short and the defender caught his knee a little bit. But I don't think it is anything serious.