1 files changed, 2 insertions, 0 deletions
diff --git a/src/effects/qquickmultieffect_p_p.h b/src/effects/qquickmultieffect_p_p.h
index 2df33db45b..7d635e2e25 100644
--- a/src/effects/qquickmultieffect_p_p.h
+++ b/src/effects/qquickmultieffect_p_p.h
@@ -27,6 +27,7 @@ QT_REQUIRE_CONFIG(quick_shadereffect);
 QT_BEGIN_NAMESPACE
 
 class QQuickShaderEffect;
+class QQuickShaderEffectSource;
 
 class QQuickMultiEffectPrivate : public QQuickItemPrivate
 {
@@ -145,6 +146,7 @@ private:
     QQuickItem *m_sourceItem = nullptr;
     QGfxSourceProxy *m_shaderSource = nullptr;
     QQuickShaderEffect *m_shaderEffect = nullptr;
+    QQuickShaderEffectSource *m_dummyShaderSource = nullptr;
     QVector<QQuickShaderEffect *> m_blurEffects;
     bool m_autoPaddingEnabled = true;
     QRectF m_paddingRect;