diff --git a/bchain/mempool_bitcoin_type.go b/bchain/mempool_bitcoin_type.go
index a45e998f..32a20b9d 100644
--- a/bchain/mempool_bitcoin_type.go
+++ b/bchain/mempool_bitcoin_type.go
@@ -133,11 +133,16 @@ func isTaproot(addrDesc AddressDescriptor) bool {
 }
 
 func (m *MempoolBitcoinType) computeGolombFilter(mtx *MempoolTx) string {
+	uniqueScripts := make(map[string]struct{})
 	filterData := make([][]byte, 0)
 	for i := range mtx.Vin {
 		vin := &mtx.Vin[i]
 		if m.filterScripts == filterScriptsAll || (m.filterScripts == filterScriptsTaproot && isTaproot(vin.AddrDesc)) {
-			filterData = append(filterData, vin.AddrDesc)
+			s := string(vin.AddrDesc)
+			if _, found := uniqueScripts[s]; !found {
+				filterData = append(filterData, vin.AddrDesc)
+				uniqueScripts[s] = struct{}{}
+			}
 		}
 	}
 	for i := range mtx.Vout {
@@ -145,7 +150,11 @@ func (m *MempoolBitcoinType) computeGolombFilter(mtx *MempoolTx) string {
 		b, err := hex.DecodeString(vout.ScriptPubKey.Hex)
 		if err == nil {
 			if m.filterScripts == filterScriptsAll || (m.filterScripts == filterScriptsTaproot && isTaproot(b)) {
-				filterData = append(filterData, b)
+				s := string(b)
+				if _, found := uniqueScripts[s]; !found {
+					filterData = append(filterData, b)
+					uniqueScripts[s] = struct{}{}
+				}
 			}
 		}
 	}
diff --git a/bchain/mempool_bitcoin_type_test.go b/bchain/mempool_bitcoin_type_test.go
index 81a9c58a..f6b799cc 100644
--- a/bchain/mempool_bitcoin_type_test.go
+++ b/bchain/mempool_bitcoin_type_test.go
@@ -102,6 +102,49 @@ func TestMempoolBitcoinType_computeGolombFilter_taproot(t *testing.T) {
 			},
 			want: "071143e4ad12730965a5247ac15db8c81c89b0bc",
 		},
+		{
+			name: "taproot duplicities",
+			mtx: MempoolTx{
+				Txid: "33a03f983b47725bbdd6045f2d5ee0d95dce08eaaf7104759758aabd8af27d34",
+				Vin: []MempoolVin{
+					{
+						// bc1px2k5tu5mfq23ekkwncz5apx6ccw2nr0rne25r8t8zk7nu035ryxqn9ge8p
+						AddrDesc: hexToBytes("512032ad45f29b48151cdace9e054e84dac61ca98de39e55419d6715bd3e3e34190c"),
+					},
+					{
+						// bc1px2k5tu5mfq23ekkwncz5apx6ccw2nr0rne25r8t8zk7nu035ryxqn9ge8p
+						AddrDesc: hexToBytes("512032ad45f29b48151cdace9e054e84dac61ca98de39e55419d6715bd3e3e34190c"),
+					},
+				},
+				Vout: []Vout{
+					{
+						ScriptPubKey: ScriptPubKey{
+							Hex: "512032ad45f29b48151cdace9e054e84dac61ca98de39e55419d6715bd3e3e34190c",
+							Addresses: []string{
+								"bc1px2k5tu5mfq23ekkwncz5apx6ccw2nr0rne25r8t8zk7nu035ryxqn9ge8p",
+							},
+						},
+					},
+					{
+						ScriptPubKey: ScriptPubKey{
+							Hex: "512032ad45f29b48151cdace9e054e84dac61ca98de39e55419d6715bd3e3e34190c",
+							Addresses: []string{
+								"bc1px2k5tu5mfq23ekkwncz5apx6ccw2nr0rne25r8t8zk7nu035ryxqn9ge8p",
+							},
+						},
+					},
+					{
+						ScriptPubKey: ScriptPubKey{
+							Hex: "512032ad45f29b48151cdace9e054e84dac61ca98de39e55419d6715bd3e3e34190c",
+							Addresses: []string{
+								"bc1px2k5tu5mfq23ekkwncz5apx6ccw2nr0rne25r8t8zk7nu035ryxqn9ge8p",
+							},
+						},
+					},
+				},
+			},
+			want: "01778db0",
+		},
 		{
 			name: "partial taproot",
 			mtx: MempoolTx{