2 files changed, 5 insertions, 2 deletions
diff --git a/src/script/sign.cpp b/src/script/sign.cpp
index 5cdc0112dc..1e481dd541 100644
--- a/src/script/sign.cpp
+++ b/src/script/sign.cpp
@@ -244,8 +244,11 @@ bool PSBTInputSigned(PSBTInput& input)
     return !input.final_script_sig.empty() || !input.final_script_witness.IsNull();
 }
 
-bool SignPSBTInput(const SigningProvider& provider, const CMutableTransaction& tx, PSBTInput& input, int index, int sighash)
+bool SignPSBTInput(const SigningProvider& provider, PartiallySignedTransaction& psbt, int index, int sighash)
 {
+    PSBTInput& input = psbt.inputs.at(index);
+    const CMutableTransaction& tx = *psbt.tx;
+
     if (PSBTInputSigned(input)) {
         return true;
     }
diff --git a/src/script/sign.h b/src/script/sign.h
index 35f7630f41..e71f43f96d 100644
--- a/src/script/sign.h
+++ b/src/script/sign.h
@@ -734,7 +734,7 @@ bool SignSignature(const SigningProvider &provider, const CTransaction& txFrom,
 bool PSBTInputSigned(PSBTInput& input);
 
 /** Signs a PSBTInput, verifying that all provided data matches what is being signed. */
-bool SignPSBTInput(const SigningProvider& provider, const CMutableTransaction& tx, PSBTInput& input, int index, int sighash = SIGHASH_ALL);
+bool SignPSBTInput(const SigningProvider& provider, PartiallySignedTransaction& psbt, int index, int sighash = SIGHASH_ALL);
 
 /** Extract signature data from a transaction input, and insert it. */
 SignatureData DataFromTransaction(const CMutableTransaction& tx, unsigned int nIn, const CTxOut& txout);