diff --git a/src/qt/notificator.cpp b/src/qt/notificator.cpp
index 2021e5f9dc5..551c0ffd137 100644
--- a/src/qt/notificator.cpp
+++ b/src/qt/notificator.cpp
@@ -112,10 +112,10 @@ FreedesktopImage::FreedesktopImage(const QImage &img):
 
     for(unsigned int ptr = 0; ptr < num_pixels; ++ptr)
     {
-        image[ptr*BYTES_PER_PIXEL+0] = data[ptr] >> 16; // R
-        image[ptr*BYTES_PER_PIXEL+1] = data[ptr] >> 8;  // G
-        image[ptr*BYTES_PER_PIXEL+2] = data[ptr];       // B
-        image[ptr*BYTES_PER_PIXEL+3] = data[ptr] >> 24; // A
+        image[ptr * BYTES_PER_PIXEL + 0] = char(data[ptr] >> 16); // R
+        image[ptr * BYTES_PER_PIXEL + 1] = char(data[ptr] >> 8);  // G
+        image[ptr * BYTES_PER_PIXEL + 2] = char(data[ptr]);       // B
+        image[ptr * BYTES_PER_PIXEL + 3] = char(data[ptr] >> 24); // A
     }
 }
 
diff --git a/src/qt/walletview.cpp b/src/qt/walletview.cpp
index 09e07715340..4926d1e80b8 100644
--- a/src/qt/walletview.cpp
+++ b/src/qt/walletview.cpp
@@ -134,7 +134,7 @@ void WalletView::processNewTransaction(const QModelIndex& parent, int start, int
         return;
 
     QString date = ttm->index(start, TransactionTableModel::Date, parent).data().toString();
-    qint64 amount = ttm->index(start, TransactionTableModel::Amount, parent).data(Qt::EditRole).toULongLong();
+    qint64 amount = ttm->index(start, TransactionTableModel::Amount, parent).data(Qt::EditRole).toLongLong();
     QString type = ttm->index(start, TransactionTableModel::Type, parent).data().toString();
     QModelIndex index = ttm->index(start, 0, parent);
     QString address = ttm->data(index, TransactionTableModel::AddressRole).toString();
diff --git a/src/wallet/interfaces.cpp b/src/wallet/interfaces.cpp
index d15273dfc9b..25784e0d221 100644
--- a/src/wallet/interfaces.cpp
+++ b/src/wallet/interfaces.cpp
@@ -286,7 +286,7 @@ class WalletImpl : public Wallet
         if (!res) return util::Error{util::ErrorString(res)};
         const auto& txr = *res;
         fee = txr.fee;
-        change_pos = txr.change_pos ? *txr.change_pos : -1;
+        change_pos = txr.change_pos ? int(*txr.change_pos) : -1;
 
         return txr.tx;
     }