1 files changed, 1 insertions, 0 deletions
diff --git a/src/declarative/scenegraph/coreapi/qsgdefaultrenderer.cpp b/src/declarative/scenegraph/coreapi/qsgdefaultrenderer.cpp
index badaa2c261..56808436a2 100644
--- a/src/declarative/scenegraph/coreapi/qsgdefaultrenderer.cpp
+++ b/src/declarative/scenegraph/coreapi/qsgdefaultrenderer.cpp
@@ -468,6 +468,7 @@ void QMLRenderer::renderNodes(const QVector<QSGGeometryNode *> &list)
 
         QSGMaterial *material = geomNode->activeMaterial();
         QSGMaterialShader *program = m_context->prepareMaterial(material);
+        Q_ASSERT(program->program()->isLinked());
 
         bool changeClip = geomNode->clipList() != m_currentClip;
         QSGRenderer::ClipType clipType = QSGRenderer::NoClip;