diff --git a/src/gui/platform/windows/qwindowsthemecache.cpp b/src/gui/platform/windows/qwindowsthemecache.cpp
index 3cf72f4757..3bb92e67ca 100644
--- a/src/gui/platform/windows/qwindowsthemecache.cpp
+++ b/src/gui/platform/windows/qwindowsthemecache.cpp
@@ -22,7 +22,7 @@ Q_GLOBAL_STATIC(ThemesCache, themesCache);
 QString QWindowsThemeCache::themeName(int theme)
 {
     return theme >= 0 && theme < int(std::size(themeNames))
-        ? QString::fromWCharArray(::themeNames[theme]) : QString();
+        ? QString::fromWCharArray(themeNames[theme]) : QString();
 }
 
 HTHEME QWindowsThemeCache::createTheme(int theme, HWND hwnd)
diff --git a/src/gui/platform/windows/qwindowsthemecache_p.h b/src/gui/platform/windows/qwindowsthemecache_p.h
index bc065d47f3..beb724dc5c 100644
--- a/src/gui/platform/windows/qwindowsthemecache_p.h
+++ b/src/gui/platform/windows/qwindowsthemecache_p.h
@@ -15,6 +15,8 @@
 // We mean it.
 //
 
+#include "QtGui/private/qtguiglobal_p.h"
+
 #include <QtCore/qt_windows.h>
 #include <uxtheme.h>