diff --git a/include/asm-mips/interrupt.h b/include/asm-mips/interrupt.h
index a573576..abdf54e 100644
--- a/include/asm-mips/interrupt.h
+++ b/include/asm-mips/interrupt.h
@@ -93,6 +93,7 @@
 	"	.set	noat						\n"
 #ifdef CONFIG_CPU_MIPSR2
 	"	di	\\result					\n"
+	"	andi	\\result, 1					\n"
 #else
 	"	mfc0	\\result, $12					\n"
 	"	ori	$1, \\result, 1					\n"