diff --git a/src/qt/walletframe.cpp b/src/qt/walletframe.cpp
index 1fb3da984..3e844a066 100644
--- a/src/qt/walletframe.cpp
+++ b/src/qt/walletframe.cpp
@@ -188,6 +188,7 @@ unsigned long long WalletFrame::updateWeight()
     WalletView *walletView = currentWalletView();
     if (walletView)
         return walletView->updateWeight();
+	return 0;
 }
 
 void WalletFrame::usedSendingAddresses()
diff --git a/src/qt/walletmodel.cpp b/src/qt/walletmodel.cpp
index 0f964045a..637858ba9 100644
--- a/src/qt/walletmodel.cpp
+++ b/src/qt/walletmodel.cpp
@@ -680,15 +680,15 @@ bool WalletModel::saveReceiveRequest(const std::string &sAddress, const int64_t
 unsigned long long WalletModel::updateWeight()
 {
     if (!wallet)
-        return;
+        return 0;
 
     TRY_LOCK(cs_main, lockMain);
     if (!lockMain)
-    	return;
+    	return 0;
 
     TRY_LOCK(wallet->cs_wallet, lockWallet);
     if (!lockWallet)
-    	return;
+    	return 0;
 
     return wallet->GetStakeWeight();
 }
diff --git a/src/qt/walletview.cpp b/src/qt/walletview.cpp
index 000edcc25..b5e810cf4 100644
--- a/src/qt/walletview.cpp
+++ b/src/qt/walletview.cpp
@@ -286,6 +286,7 @@ unsigned long long WalletView::updateWeight()
 {
     if(walletModel)
 		return walletModel->updateWeight();
+	return 0;
 }
 
 void WalletView::usedSendingAddresses()