diff --git a/include/asm-mips/inst.h b/include/asm-mips/inst.h
index 1ed8d0f62577d4e01246d2834e2da4fed935ac85..6489f00731caad3e904850dbbcf8d97f30afcd10 100644
--- a/include/asm-mips/inst.h
+++ b/include/asm-mips/inst.h
@@ -74,7 +74,7 @@ enum spec3_op {
 	ins_op, dinsm_op, dinsu_op, dins_op,
 	bshfl_op = 0x20,
 	dbshfl_op = 0x24,
-	rdhwr_op = 0x3f
+	rdhwr_op = 0x3b
 };
 
 /*