diff --git a/include/cpu.h b/include/cpu.h
index bc2d6765..f741895b 100644
--- a/include/cpu.h
+++ b/include/cpu.h
@@ -392,6 +392,7 @@ struct CPUBlock {
 	struct {
 		Bitu which,error;
 	} exception;
+	Bits direction;
 };
 
 extern CPUBlock cpu;