diff --git a/arch/mips/kernel/genex.S b/arch/mips/kernel/genex.S
index a5e26dd905925..2ebaabe3af151 100644
--- a/arch/mips/kernel/genex.S
+++ b/arch/mips/kernel/genex.S
@@ -125,7 +125,7 @@ LEAF(__r4k_wait)
 	nop
 	nop
 #endif
-	.set	arch=r4000
+	.set	MIPS_ISA_ARCH_LEVEL_RAW
 	wait
 	/* end of rollback region (the region size must be power of two) */
 1: