diff --git a/src/bench/wallet_create_tx.cpp b/src/bench/wallet_create_tx.cpp
index 80d23d1e512..cb31421598c 100644
--- a/src/bench/wallet_create_tx.cpp
+++ b/src/bench/wallet_create_tx.cpp
@@ -102,7 +102,7 @@ static void WalletCreateTx(benchmark::Bench& bench, const OutputType output_type
     }
 
     // Check available balance
-    auto bal = wallet::GetAvailableBalance(wallet); // Cache
+    auto bal = WITH_LOCK(wallet.cs_wallet, return wallet::AvailableCoins(wallet).GetTotalAmount()); // Cache
     assert(bal == 50 * COIN * (chain_size - COINBASE_MATURITY));
 
     wallet::CCoinControl coin_control;
@@ -161,7 +161,7 @@ static void AvailableCoins(benchmark::Bench& bench, const std::vector<OutputType
     }
 
     // Check available balance
-    auto bal = wallet::GetAvailableBalance(wallet); // Cache
+    auto bal = WITH_LOCK(wallet.cs_wallet, return wallet::AvailableCoins(wallet).GetTotalAmount()); // Cache
     assert(bal == 50 * COIN * (chain_size - COINBASE_MATURITY));
 
     bench.epochIterations(2).run([&] {
diff --git a/src/qt/sendcoinsdialog.cpp b/src/qt/sendcoinsdialog.cpp
index e3fa4058a6a..9c1d3f48e02 100644
--- a/src/qt/sendcoinsdialog.cpp
+++ b/src/qt/sendcoinsdialog.cpp
@@ -791,8 +791,13 @@ void SendCoinsDialog::useAvailableBalance(SendCoinsEntry* entry)
     // Include watch-only for wallets without private key
     m_coin_control->fAllowWatchOnly = model->wallet().privateKeysDisabled() && !model->wallet().hasExternalSigner();
 
+    // Same behavior as send: if we have selected coins, only obtain their available balance.
+    // Copy to avoid modifying the member's data.
+    CCoinControl coin_control = *m_coin_control;
+    coin_control.m_allow_other_inputs = !coin_control.HasSelected();
+
     // Calculate available amount to send.
-    CAmount amount = model->getAvailableBalance(m_coin_control.get());
+    CAmount amount = model->getAvailableBalance(&coin_control);
     for (int i = 0; i < ui->entries->count(); ++i) {
         SendCoinsEntry* e = qobject_cast<SendCoinsEntry*>(ui->entries->itemAt(i)->widget());
         if (e && !e->isHidden() && e != entry) {
diff --git a/src/wallet/interfaces.cpp b/src/wallet/interfaces.cpp
index 1a76e46c546..df1eb19a339 100644
--- a/src/wallet/interfaces.cpp
+++ b/src/wallet/interfaces.cpp
@@ -18,6 +18,7 @@
 #include <util/system.h>
 #include <util/translation.h>
 #include <util/ui_change_type.h>
+#include <wallet/coincontrol.h>
 #include <wallet/context.h>
 #include <wallet/feebumper.h>
 #include <wallet/fees.h>
@@ -403,7 +404,24 @@ public:
     CAmount getBalance() override { return GetBalance(*m_wallet).m_mine_trusted; }
     CAmount getAvailableBalance(const CCoinControl& coin_control) override
     {
-        return GetAvailableBalance(*m_wallet, &coin_control);
+        LOCK(m_wallet->cs_wallet);
+        CAmount total_amount = 0;
+        // Fetch selected coins total amount
+        if (coin_control.HasSelected()) {
+            FastRandomContext rng{};
+            CoinSelectionParams params(rng);
+            // Note: for now, swallow any error.
+            if (auto res = FetchSelectedInputs(*m_wallet, coin_control, params)) {
+                total_amount += res->total_amount;
+            }
+        }
+
+        // And fetch the wallet available coins
+        if (coin_control.m_allow_other_inputs) {
+            total_amount += AvailableCoins(*m_wallet, &coin_control).GetTotalAmount();
+        }
+
+        return total_amount;
     }
     isminetype txinIsMine(const CTxIn& txin) override
     {
diff --git a/src/wallet/spend.cpp b/src/wallet/spend.cpp
index 4548d5f8139..57f3785a3ab 100644
--- a/src/wallet/spend.cpp
+++ b/src/wallet/spend.cpp
@@ -356,12 +356,6 @@ CoinsResult AvailableCoinsListUnspent(const CWallet& wallet, const CCoinControl*
     return AvailableCoins(wallet, coinControl, /*feerate=*/ std::nullopt, params);
 }
 
-CAmount GetAvailableBalance(const CWallet& wallet, const CCoinControl* coinControl)
-{
-    LOCK(wallet.cs_wallet);
-    return AvailableCoins(wallet, coinControl).GetTotalAmount();
-}
-
 const CTxOut& FindNonChangeParentOutput(const CWallet& wallet, const COutPoint& outpoint)
 {
     AssertLockHeld(wallet.cs_wallet);
diff --git a/src/wallet/spend.h b/src/wallet/spend.h
index 78c2c5f22b9..cc9ccf30118 100644
--- a/src/wallet/spend.h
+++ b/src/wallet/spend.h
@@ -94,8 +94,6 @@ CoinsResult AvailableCoins(const CWallet& wallet,
  */
 CoinsResult AvailableCoinsListUnspent(const CWallet& wallet, const CCoinControl* coinControl = nullptr, CoinFilterParams params = {}) EXCLUSIVE_LOCKS_REQUIRED(wallet.cs_wallet);
 
-CAmount GetAvailableBalance(const CWallet& wallet, const CCoinControl* coinControl = nullptr);
-
 /**
  * Find non-change parent output.
  */
diff --git a/src/wallet/test/wallet_tests.cpp b/src/wallet/test/wallet_tests.cpp
index 2e95a148072..edcfaa24e54 100644
--- a/src/wallet/test/wallet_tests.cpp
+++ b/src/wallet/test/wallet_tests.cpp
@@ -581,7 +581,7 @@ BOOST_FIXTURE_TEST_CASE(ListCoinsTest, ListCoinsTestingSetup)
     BOOST_CHECK_EQUAL(list.begin()->second.size(), 1U);
 
     // Check initial balance from one mature coinbase transaction.
-    BOOST_CHECK_EQUAL(50 * COIN, GetAvailableBalance(*wallet));
+    BOOST_CHECK_EQUAL(50 * COIN, WITH_LOCK(wallet->cs_wallet, return AvailableCoins(*wallet).GetTotalAmount()));
 
     // Add a transaction creating a change address, and confirm ListCoins still
     // returns the coin associated with the change address underneath the