diff --git a/src/runtime/sys_netbsd_386.s b/src/runtime/sys_netbsd_386.s
index af8c3aa485..8ee7b96ce7 100644
--- a/src/runtime/sys_netbsd_386.s
+++ b/src/runtime/sys_netbsd_386.s
@@ -375,10 +375,12 @@ TEXT runtime·sysctl(SB),NOSPLIT,$28
 	MOVSL				// arg 6 - newlen
 	MOVL	$202, AX		// sys___sysctl
 	INT	$0x80
-	JCC	3(PC)
+	JAE	4(PC)
 	NEGL	AX
+	MOVL	AX, ret+24(FP)
 	RET
 	MOVL	$0, AX
+	MOVL	AX, ret+24(FP)
 	RET
 
 GLOBL runtime·tlsoffset(SB),NOPTR,$4