diff --git a/kmod/csum-hack-kprobe.c b/kmod/csum-hack-kprobe.c
index a28b2df..1a59093 100644
--- a/kmod/csum-hack-kprobe.c
+++ b/kmod/csum-hack-kprobe.c
@@ -65,7 +65,7 @@ struct bpf_skb_change_proto_params {
 static int bpf_skb_change_proto_entry_handler(struct kretprobe_instance* ri, struct pt_regs* regs) {
   struct bpf_skb_change_proto_params* params = (typeof(params))ri->data;
 
-#if defined(__LP64__) || !defined(__mips__)
+#if defined(__LP64__) && !defined(__mips__)
   params->skb = (void*)regs_get_kernel_argument(regs, 0);
   params->proto = regs_get_kernel_argument(regs, 1);
   params->flags = regs_get_kernel_argument(regs, 2);