diff --git a/playground/fonts/main.cpp b/playground/fonts/main.cpp
index 350a4eaf..03fb9751 100644
--- a/playground/fonts/main.cpp
+++ b/playground/fonts/main.cpp
@@ -13,6 +13,8 @@
 #include <QskWindow.h>
 #include <QskSkinManager.h>
 
+#include <QGuiApplication>
+
 namespace
 {
     class TextLabel : public QskTextLabel