1 files changed, 3 insertions, 1 deletions
diff --git a/src/quick/scenegraph/util/qsgdepthstencilbuffer.cpp b/src/quick/scenegraph/util/qsgdepthstencilbuffer.cpp
index 94912778f8..1154c06d7c 100644
--- a/src/quick/scenegraph/util/qsgdepthstencilbuffer.cpp
+++ b/src/quick/scenegraph/util/qsgdepthstencilbuffer.cpp
@@ -183,7 +183,9 @@ void QSGDefaultDepthStencilBuffer::free()
 QSGDepthStencilBufferManager::~QSGDepthStencilBufferManager()
 {
     for (Hash::const_iterator it = m_buffers.constBegin(), cend = m_buffers.constEnd(); it != cend; ++it) {
-        QSGDepthStencilBuffer *buffer = it.value().data();
+        QSharedPointer<QSGDepthStencilBuffer> buffer = it.value().toStrongRef();
+        Q_ASSERT_X(buffer, "~QSGDepthStencilBufferManager",
+                   "~QSGDepthStencilBuffer is supposed to unregister from the manager");
         buffer->free();
         buffer->m_manager = nullptr;
     }