1 files changed, 1 insertions, 0 deletions
diff --git a/src/quick/items/qquickwindow.h b/src/quick/items/qquickwindow.h
index c1f690f325..27a73988ae 100644
--- a/src/quick/items/qquickwindow.h
+++ b/src/quick/items/qquickwindow.h
@@ -56,6 +56,7 @@ class QSGTexture;
 class QInputMethodEvent;
 class QQuickWindowPrivate;
 class QQuickWindowAttached;
+class QOpenGLContext;
 class QOpenGLFramebufferObject;
 class QQmlIncubationController;
 class QInputMethodEvent;