diff --git a/src/qt/rpcconsole.cpp b/src/qt/rpcconsole.cpp
index 30e551de197..cc377c4ff94 100644
--- a/src/qt/rpcconsole.cpp
+++ b/src/qt/rpcconsole.cpp
@@ -472,7 +472,11 @@ void RPCConsole::clear()
     // Set default style sheet
     QFontInfo fixedFontInfo(GUIUtil::fixedPitchFont());
     // Try to make fixed font adequately large on different OS
+#ifdef WIN32
+    QString ptSize = QString("%1pt").arg(QFontInfo(QFont()).pointSize() * 10 / 8);
+#else
     QString ptSize = QString("%1pt").arg(QFontInfo(QFont()).pointSize() * 8.5 / 9);
+#endif
     ui->messagesWidget->document()->setDefaultStyleSheet(
         QString(
                 "table { }"