Make CMutableTransaction constructor explicit

Silently converting to a CMutableTransaction will drop all caches
and should thus be done explicitly

1 files changed, 1 insertions, 1 deletions

diff --git a/src/wallet/feebumper.cpp b/src/wallet/feebumper.cpp
index 4d70dde72a..b26fd28d48 100644
--- a/src/wallet/feebumper.cpp
+++ b/src/wallet/feebumper.cpp
@@ -185,7 +185,7 @@ Result CreateTransaction(const CWallet* wallet, const uint256& txid, const CCoin
     // If the output is not large enough to pay the fee, fail.
     CAmount nDelta = new_fee - old_fee;
     assert(nDelta > 0);
-    mtx =  *wtx.tx;
+    mtx = CMutableTransaction{*wtx.tx};
     CTxOut* poutput = &(mtx.vout[nOutput]);
     if (poutput->nValue < nDelta) {
         errors.push_back("Change output is too small to bump the fee");