diff --git a/examples/SharedMemory/PhysicsServerExample.cpp b/examples/SharedMemory/PhysicsServerExample.cpp
index f4bfbe967..fd4b3bd10 100644
--- a/examples/SharedMemory/PhysicsServerExample.cpp
+++ b/examples/SharedMemory/PhysicsServerExample.cpp
@@ -1157,12 +1157,18 @@ public:
 	
 	virtual void setProjectiveTextureMatrices(const float viewMatrix[16], const float projectionMatrix[16])
 	{
-		m_childGuiHelper->getAppInterface()->m_renderer->setProjectiveTextureMatrices(viewMatrix, projectionMatrix);
+		if (m_childGuiHelper->getAppInterface() && m_childGuiHelper->getAppInterface()->m_renderer)
+		{
+			m_childGuiHelper->getAppInterface()->m_renderer->setProjectiveTextureMatrices(viewMatrix, projectionMatrix);
+		}
 	}
 	
 	virtual void setProjectiveTexture(bool useProjectiveTexture)
 	{
-		m_childGuiHelper->getAppInterface()->m_renderer->setProjectiveTexture(useProjectiveTexture);
+		if (m_childGuiHelper->getAppInterface() && m_childGuiHelper->getAppInterface()->m_renderer)
+		{
+			m_childGuiHelper->getAppInterface()->m_renderer->setProjectiveTexture(useProjectiveTexture);
+		}
 	}
 
 	btDiscreteDynamicsWorld* m_dynamicsWorld;