diff --git a/p4src/checksums.p4 b/p4src/checksums.p4
index cec8a91..183380d 100644
--- a/p4src/checksums.p4
+++ b/p4src/checksums.p4
@@ -27,7 +27,9 @@ control MyComputeChecksum(inout headers  hdr, inout metadata meta) {
 		 		hdr.ipv6.dst_addr,         /* 128 */
                 meta.cast_length,          /* 32 */
                 24w0,                      /* 24 0's */
-                PROTO_ICMP6                /* 8 */
+                PROTO_ICMP6,               /* 8 */
+                hdr.icmp6.type,            /* 8 */
+                hdr.icmp6.code             /* 8 */
             },
             hdr.icmp6.checksum,
             HashAlgorithm.csum16