1 files changed, 2 insertions, 2 deletions
diff --git a/src/plugins/wireguard/wireguard_send.h b/src/plugins/wireguard/wireguard_send.h
index 8f5e7ab8765..4ea1f6effea 100755
--- a/src/plugins/wireguard/wireguard_send.h
+++ b/src/plugins/wireguard/wireguard_send.h
@@ -26,8 +26,8 @@ always_inline void
 ip4_header_set_len_w_chksum (ip4_header_t * ip4, u16 len)
 {
   ip_csum_t sum = ip4->checksum;
-  u8 old = ip4->length;
-  u8 new = len;
+  u16 old = ip4->length;
+  u16 new = len;
 
   sum = ip_csum_update (sum, old, new, ip4_header_t, length);
   ip4->checksum = ip_csum_fold (sum);