diff --git a/src/qt/guiutil.cpp b/src/qt/guiutil.cpp
index bbe6e9bf87..59c7c0a44a 100644
--- a/src/qt/guiutil.cpp
+++ b/src/qt/guiutil.cpp
@@ -947,7 +947,7 @@ void PolishProgressDialog(QProgressDialog* dialog)
 {
 #ifdef Q_OS_MAC
     // Workaround for macOS-only Qt bug; see: QTBUG-65750, QTBUG-70357.
-    const int margin = dialog->fontMetrics().width("X");
+    const int margin = TextWidth(dialog->fontMetrics(), ("X"));
     dialog->resize(dialog->width() + 2 * margin, dialog->height());
     dialog->show();
 #else