diff --git a/kernel/mips64/zsum.S b/kernel/mips64/zsum.S
index fb0eeef9c..129b97900 100644
--- a/kernel/mips64/zsum.S
+++ b/kernel/mips64/zsum.S
@@ -192,8 +192,8 @@
 	MOV	t2, a2
 	daddu	X, X, INCX
 
-	bgtz	I, .L26
 	ADD	s1, s1, t1
+	bgtz	I, .L26
 	ADD	s2, s2, t2
 	.align 3