diff --git a/src/gui/basketmodel.cpp b/src/gui/basketmodel.cpp
index 537ce92..2ac1931 100644
--- a/src/gui/basketmodel.cpp
+++ b/src/gui/basketmodel.cpp
@@ -22,6 +22,9 @@ QVariant BasketModel::data(const QModelIndex& index, int role) const
         QFont myFont;
 
         QFont myFixedFont = QFontDatabase::systemFont(QFontDatabase::FixedFont);
+	if (myFixedFont.fixedPitch() == false) {
+            myFixedFont.setFamily("monospace");
+        }
 
         switch (index.column()) {
         case 0:
@@ -130,4 +133,4 @@ bool BasketModel::removeRows(int row, int count, const QModelIndex& parent)
         marketplace_->getBasket().end());
     emit endRemoveRows();
     return true;
-}
\ No newline at end of file
+}
diff --git a/src/gui/reportdialog.cpp b/src/gui/reportdialog.cpp
index 5559598..3a84ec4 100644
--- a/src/gui/reportdialog.cpp
+++ b/src/gui/reportdialog.cpp
@@ -76,6 +76,9 @@ void ReportDialog::onPrintReportButtonClicked()
 
     painter.begin(&printer);
     QFont fixedFont = QFontDatabase::systemFont(QFontDatabase::FixedFont);
+    if (fixedFont.fixedPitch() == false) { // workaround for QTBUG-54623
+        fixedFont.setFamily("monospace");  // https://bugreports.qt.io/browse/QTBUG-54623
+    }
     fixedFont.setPointSize(12);
 
     for (unsigned int i = 1; i <= numPages; ++i) {
@@ -220,4 +223,4 @@ void ReportDialog::onReportViewSelectionChanged(const QItemSelection& selected,
     } else {
         ui_.printSellerReceiptButton->setEnabled(false);
     }
-}
\ No newline at end of file
+}
diff --git a/src/gui/salemodel.cpp b/src/gui/salemodel.cpp
index 1dda107..0476b24 100644
--- a/src/gui/salemodel.cpp
+++ b/src/gui/salemodel.cpp
@@ -80,6 +80,9 @@ QVariant SaleModel::data(const QModelIndex& index, int role) const
     if (role == Qt::FontRole) {
         QFont myFont;
         QFont myFixedFont = QFontDatabase::systemFont(QFontDatabase::FixedFont);
+	if (myFixedFont.fixedPitch() == false) {
+            myFixedFont.setFamily("monospace");
+        }
 
         switch (index.column()) {
         case 0:
@@ -199,4 +202,4 @@ bool SaleModel::removeRows(int row, int count, const QModelIndex& parent)
     }
 
     return true;
-}
\ No newline at end of file
+}