diff --git a/src/gui/image/qicon.h b/src/gui/image/qicon.h
index 6a4fc8927a..8870950982 100644
--- a/src/gui/image/qicon.h
+++ b/src/gui/image/qicon.h
@@ -50,6 +50,7 @@ QT_BEGIN_NAMESPACE
 
 class QIconPrivate;
 class QIconEngine;
+class QPainter;
 
 class Q_GUI_EXPORT QIcon
 {