diff --git a/lnwallet/test_vectors_legacy.json b/lnwallet/test_vectors_legacy.json
index 0db6e4381..9bdc78807 100644
--- a/lnwallet/test_vectors_legacy.json
+++ b/lnwallet/test_vectors_legacy.json
@@ -237,5 +237,28 @@
         "HtlcDescs": [],
         "ExpectedCommitmentTxHex": "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",
         "RemoteSigHex": "3044022064901950be922e62cbe3f2ab93de2b99f37cff9fc473e73e394b27f88ef0731d02206d1dfa227527b4df44a07599289e207d6fd9cca60c0365682dcd3deaf739567e"
+    },
+    {
+        "Name": "commitment tx with 3 htlc outputs, 2 offered having the same amount and preimage",
+        "LocalBalance": 6987999999,
+        "RemoteBalance": 3000000000,
+        "FeePerKw": 253,
+        "UseTestHtlcs": true,
+        "HtlcDescs": [
+            {
+                "RemoteSigHex": "30450221008117770f1d750a8af7a23f27c51a22f66386ea8f074115d0feeac7fe0f077f6102203d4d8dab53ef695b634786224ae5138c81d223b0493fd4637a448e31f734bb30",
+                "ResolutionTxHex": "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"
+            },
+            {
+                "RemoteSigHex": "30440220620b37379e587447e7ee9c8eed9e71b2d2ec29cadc89a4b5411ee6f9b013ca1b02201aaf26d1a03d901425fc44562bff77d5645cb54498e4d9a56c39456825974a3d",
+                "ResolutionTxHex": "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"
+            },
+            {
+                "RemoteSigHex": "30450221009353b1d7e6313dc57a3781671b7ed9dde668b30e6f438ff08b13580937264de202200654599d2b9839fe9c88553f7c164a517fc8f0892e942b615460325fee7e0747",
+                "ResolutionTxHex": "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"
+            }
+        ],
+        "ExpectedCommitmentTxHex": "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",
+        "RemoteSigHex": "304402206cda85b2811a211aa70fb74abf23303d87c4355ccf2c2c7954d4137c4fb26a830220719402ab3fef1cbaf42ba42fe437e9bed1e45f84547d603bf7af3fb88f501933"
     }
 ]
\ No newline at end of file