diff --git a/src/psbt.h b/src/psbt.h
--- a/src/psbt.h
+++ b/src/psbt.h
@@ -329,7 +329,7 @@
     PartiallySignedTransaction(const PartiallySignedTransaction &psbt_in)
         : tx(psbt_in.tx), inputs(psbt_in.inputs), outputs(psbt_in.outputs),
           unknown(psbt_in.unknown) {}
-    explicit PartiallySignedTransaction(const CTransaction &txIn);
+    explicit PartiallySignedTransaction(const CMutableTransaction &txIn);
     /**
      * Finds the UTXO for a given input index
      *
diff --git a/src/psbt.cpp b/src/psbt.cpp
--- a/src/psbt.cpp
+++ b/src/psbt.cpp
@@ -5,7 +5,8 @@
 #include <psbt.h>
 #include <util/strencodings.h>
 
-PartiallySignedTransaction::PartiallySignedTransaction(const CTransaction &txIn)
+PartiallySignedTransaction::PartiallySignedTransaction(
+    const CMutableTransaction &txIn)
     : tx(txIn) {
     inputs.resize(txIn.vin.size());
     outputs.resize(txIn.vout.size());
diff --git a/src/wallet/rpcwallet.cpp b/src/wallet/rpcwallet.cpp
--- a/src/wallet/rpcwallet.cpp
+++ b/src/wallet/rpcwallet.cpp
@@ -4804,8 +4804,7 @@
     FundTransaction(pwallet, rawTx, fee, change_position, request.params[3]);
 
     // Make a blank psbt
-    const CTransaction tx = CTransaction(rawTx);
-    PartiallySignedTransaction psbtx(tx);
+    PartiallySignedTransaction psbtx(rawTx);
 
     // Fill transaction with out data but don't sign
     bool bip32derivs =