diff --git a/src/interfaces/wallet.h b/src/interfaces/wallet.h
--- a/src/interfaces/wallet.h
+++ b/src/interfaces/wallet.h
@@ -198,8 +198,9 @@
     //! Get balances.
     virtual WalletBalances getBalances() = 0;
 
-    //! Get balances if possible without blocking.
-    virtual bool tryGetBalances(WalletBalances &balances, int &num_blocks) = 0;
+    //! Get balances if possible without waiting for chain and wallet locks.
+    virtual bool tryGetBalances(WalletBalances &balances, int &num_blocks,
+                                bool force, int cached_num_blocks) = 0;
 
     //! Get balance.
     virtual Amount getBalance() = 0;
diff --git a/src/interfaces/wallet.cpp b/src/interfaces/wallet.cpp
--- a/src/interfaces/wallet.cpp
+++ b/src/interfaces/wallet.cpp
@@ -331,13 +331,16 @@
             }
             return result;
         }
-        bool tryGetBalances(WalletBalances &balances,
-                            int &num_blocks) override {
+        bool tryGetBalances(WalletBalances &balances, int &num_blocks,
+                            bool force, int cached_num_blocks) override {
             TRY_LOCK(m_wallet->cs_wallet, locked_wallet);
             if (!locked_wallet) {
                 return false;
             }
             num_blocks = m_wallet->GetLastBlockHeight();
+            if (!force && num_blocks == cached_num_blocks) {
+                return false;
+            }
             balances = getBalances();
             return true;
         }
diff --git a/src/qt/walletmodel.cpp b/src/qt/walletmodel.cpp
--- a/src/qt/walletmodel.cpp
+++ b/src/qt/walletmodel.cpp
@@ -69,20 +69,19 @@
     // rescan.
     interfaces::WalletBalances new_balances;
     int numBlocks = -1;
-    if (!m_wallet->tryGetBalances(new_balances, numBlocks)) {
+    if (!m_wallet->tryGetBalances(new_balances, numBlocks,
+                                  fForceCheckBalanceChanged, cachedNumBlocks)) {
         return;
     }
 
-    if (fForceCheckBalanceChanged || numBlocks != cachedNumBlocks) {
-        fForceCheckBalanceChanged = false;
+    fForceCheckBalanceChanged = false;
 
-        // Balance and number of transactions might have changed
-        cachedNumBlocks = numBlocks;
+    // Balance and number of transactions might have changed
+    cachedNumBlocks = numBlocks;
 
-        checkBalanceChanged(new_balances);
-        if (transactionTableModel) {
-            transactionTableModel->updateConfirmations();
-        }
+    checkBalanceChanged(new_balances);
+    if (transactionTableModel) {
+        transactionTableModel->updateConfirmations();
     }
 }