diff --git a/CHANGES b/CHANGES
index 2901486e17..f7627f71bd 100644
--- a/CHANGES
+++ b/CHANGES
@@ -1,3 +1,8 @@
+
+4.1.0-dev.497 | 2021-04-07 15:54:21 -0700
+
+  * GH-1493: Fix build with -DENABLE_MOBILE_IPV6 (Tim Wojtulewicz, Corelight)
+
 4.1.0-dev.495 | 2021-04-07 11:12:13 -0700
 
   * Change TableVal::ToMap() to return ValPtr-indexed maps (Jon Siwek, Corelight)
diff --git a/VERSION b/VERSION
index be01695475..0fb85a9ee5 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-4.1.0-dev.495
+4.1.0-dev.497
diff --git a/src/IP.cc b/src/IP.cc
index d086997645..149be6a41c 100644
--- a/src/IP.cc
+++ b/src/IP.cc
@@ -245,7 +245,7 @@ RecordValPtr IPv6_Hdr::ToVal(VectorValPtr chain) const
 		case 5:
 			{
 			auto m = make_intrusive<RecordVal>(ip6_mob_bu_type);
-			m->Assign(0, ntohs(*((uint16_t*)msg_data))));
+			m->Assign(0, ntohs(*((uint16_t*)msg_data)));
 			m->Assign(1, static_cast<bool>(ntohs(*((uint16_t*)(msg_data + sizeof(uint16_t)))) & 0x8000));
 			m->Assign(2, static_cast<bool>(ntohs(*((uint16_t*)(msg_data + sizeof(uint16_t)))) & 0x4000));
 			m->Assign(3, static_cast<bool>(ntohs(*((uint16_t*)(msg_data + sizeof(uint16_t)))) & 0x2000));
diff --git a/src/packet_analysis/protocol/ip/IP.cc b/src/packet_analysis/protocol/ip/IP.cc
index dcc79cc4d8..00676d3154 100644
--- a/src/packet_analysis/protocol/ip/IP.cc
+++ b/src/packet_analysis/protocol/ip/IP.cc
@@ -200,9 +200,9 @@ bool IPAnalyzer::AnalyzePacket(size_t len, const uint8_t* data, Packet* packet)
 	// last if present.
 	if ( packet->ip_hdr->LastHeader() == IPPROTO_MOBILITY )
 		{
-		dump_this_packet = true;
+		packet->dump_packet = true;
 
-		if ( ! ignore_checksums && mobility_header_checksum(packet->ip_hdr) != 0xffff )
+		if ( ! detail::ignore_checksums && mobility_header_checksum(packet->ip_hdr.get()) != 0xffff )
 			{
 			Weird("bad_MH_checksum", packet);
 			return false;