diff --git a/ui/widgets/fields/input_field.cpp b/ui/widgets/fields/input_field.cpp
index ebfc977..ae643c0 100644
--- a/ui/widgets/fields/input_field.cpp
+++ b/ui/widgets/fields/input_field.cpp
@@ -31,6 +31,10 @@
 #include <QtWidgets/QScrollBar>
 #include <QtWidgets/QTextEdit>
 
+#ifdef Q_OS_WIN
+#include <WinUser.h>
+#endif // Q_OS_WIN
+
 namespace Ui {
 namespace {
 
@@ -2910,16 +2914,16 @@ bool InputField::handleMarkdownKey(QKeyEvent *e) {
 		return sequence.matches(events) == QKeySequence::ExactMatch;
 	};
 	const auto matchesCtrlShiftDot = [&] {
-#ifdef Q_OS_WIN
 		// We can't match ctrl+shift+. with QKeySequence because
 		// shift+. gives us '>' and ctrl+shift+> is not the same.
 		// So we check by nativeVirtualKey instead.
+#ifdef Q_OS_WIN
 		return e->modifiers().testFlag(Qt::ControlModifier)
 			&& e->modifiers().testFlag(Qt::ShiftModifier)
-			&& (e->nativeVirtualKey() == 190); // VK_OEM_PERIOD
+			&& (e->nativeVirtualKey() == VK_OEM_PERIOD);
 #else // Q_OS_WIN
 		return false;
-#endif // Q_OS_WIN
+#endif // !Q_OS_WIN
 	};
 	if (e == QKeySequence::Bold) {
 		toggleSelectionMarkdown(kTagBold);