1 files changed, 5 insertions, 1 deletions
diff --git a/src/quick/scenegraph/qsgdefaultrendercontext.cpp b/src/quick/scenegraph/qsgdefaultrendercontext.cpp
index 4fcc81fb18..6f10611ba3 100644
--- a/src/quick/scenegraph/qsgdefaultrendercontext.cpp
+++ b/src/quick/scenegraph/qsgdefaultrendercontext.cpp
@@ -70,6 +70,9 @@ QSGDefaultRenderContext::QSGDefaultRenderContext(QSGContext *context)
  */
 void QSGDefaultRenderContext::initialize(void *context)
 {
+    if (!m_sg)
+        return;
+
     QOpenGLContext *openglContext = static_cast<QOpenGLContext *>(context);
 
     QOpenGLFunctions *funcs = QOpenGLContext::currentContext()->functions();
@@ -163,7 +166,8 @@ void QSGDefaultRenderContext::invalidate()
         m_gl->setProperty(QSG_RENDERCONTEXT_PROPERTY, QVariant());
     m_gl = 0;
 
-    m_sg->renderContextInvalidated(this);
+    if (m_sg)
+        m_sg->renderContextInvalidated(this);
     emit invalidated();
 }