2 files changed, 3 insertions, 0 deletions
diff --git a/src/node/transaction.cpp b/src/node/transaction.cpp
index 6c4efb3d2..c9cdd0d1c 100644
--- a/src/node/transaction.cpp
+++ b/src/node/transaction.cpp
@@ -29,6 +29,8 @@ const char* TransactionErrorString(const TransactionError err)
             return "AcceptToMemoryPool failed";
         case TransactionError::INVALID_PSBT:
             return "PSBT is not sane";
+        case TransactionError::PSBT_MISMATCH:
+            return "PSBTs not compatible (different transactions)";
         case TransactionError::SIGHASH_MISMATCH:
             return "Specified sighash value does not match existing value";
 
diff --git a/src/node/transaction.h b/src/node/transaction.h
index 83354d940..3b0cbba98 100644
--- a/src/node/transaction.h
+++ b/src/node/transaction.h
@@ -18,6 +18,7 @@ enum class TransactionError {
     MEMPOOL_REJECTED,
     MEMPOOL_ERROR,
     INVALID_PSBT,
+    PSBT_MISMATCH,
     SIGHASH_MISMATCH,
 
     ERROR_COUNT