diff --git a/xt/match_conntrack.go b/xt/match_conntrack.go
index fef4e8e..69c51bd 100644
--- a/xt/match_conntrack.go
+++ b/xt/match_conntrack.go
@@ -41,6 +41,8 @@ type ConntrackMtinfoBase struct {
 	OrigDstPort uint16
 	ReplSrcPort uint16
 	ReplDstPort uint16
+	MatchFlags  uint16
+	InvertFlags uint16
 }
 
 // See https://elixir.bootlin.com/linux/v5.17.7/source/include/uapi/linux/netfilter/xt_conntrack.h#L38
@@ -98,6 +100,8 @@ func (x *ConntrackMtinfoBase) marshalAB(fam TableFamily, rev uint32, ab *aligned
 	ab.PutUint16(x.OrigDstPort)
 	ab.PutUint16(x.ReplSrcPort)
 	ab.PutUint16(x.ReplDstPort)
+	ab.PutUint16(x.MatchFlags)
+	ab.PutUint16(x.InvertFlags)
 	return nil
 }
 
@@ -148,6 +152,12 @@ func (x *ConntrackMtinfoBase) unmarshalAB(fam TableFamily, rev uint32, ab *align
 	if x.ReplDstPort, err = ab.Uint16(); err != nil {
 		return err
 	}
+	if x.MatchFlags, err = ab.Uint16(); err != nil {
+		return err
+	}
+	if x.InvertFlags, err = ab.Uint16(); err != nil {
+		return err
+	}
 	return nil
 }
 
diff --git a/xt/match_conntrack_test.go b/xt/match_conntrack_test.go
index 6b69b2d..fa1f764 100644
--- a/xt/match_conntrack_test.go
+++ b/xt/match_conntrack_test.go
@@ -38,6 +38,8 @@ func TestMatchConntrack(t *testing.T) {
 					OrigDstPort: 321,
 					ReplSrcPort: 789,
 					ReplDstPort: 987,
+					MatchFlags:  0x01,
+					InvertFlags: 0x01,
 				},
 				StateMask:  0x55,
 				StatusMask: 0xaa,
@@ -65,6 +67,8 @@ func TestMatchConntrack(t *testing.T) {
 					OrigDstPort: 321,
 					ReplSrcPort: 789,
 					ReplDstPort: 987,
+					MatchFlags:  0x01,
+					InvertFlags: 0x01,
 				},
 				StateMask:  0x55,
 				StatusMask: 0xaa,
@@ -92,6 +96,8 @@ func TestMatchConntrack(t *testing.T) {
 					OrigDstPort: 321,
 					ReplSrcPort: 789,
 					ReplDstPort: 987,
+					MatchFlags:  0x01,
+					InvertFlags: 0x01,
 				},
 				StateMask:  0x55aa,
 				StatusMask: 0xaa55,
@@ -119,6 +125,8 @@ func TestMatchConntrack(t *testing.T) {
 					OrigDstPort: 321,
 					ReplSrcPort: 789,
 					ReplDstPort: 987,
+					MatchFlags:  0x01,
+					InvertFlags: 0x01,
 				},
 				StateMask:  0x55aa,
 				StatusMask: 0xaa55,
@@ -147,6 +155,8 @@ func TestMatchConntrack(t *testing.T) {
 						OrigDstPort: 321,
 						ReplSrcPort: 789,
 						ReplDstPort: 987,
+						MatchFlags:  0x01,
+						InvertFlags: 0x01,
 					},
 					StateMask:  0x55aa,
 					StatusMask: 0xaa55,
@@ -180,6 +190,8 @@ func TestMatchConntrack(t *testing.T) {
 						OrigDstPort: 321,
 						ReplSrcPort: 789,
 						ReplDstPort: 987,
+						MatchFlags:  0x01,
+						InvertFlags: 0x01,
 					},
 					StateMask:  0x55aa,
 					StatusMask: 0xaa55,