--- a/modules/ovis/src/ovis.cpp
+++ b/modules/ovis/src/ovis.cpp
@@ -453,7 +453,8 @@ class WindowSceneImpl : public WindowScene
         if(tus->getTextureName() != name)
         {
             RTShader::ShaderGenerator::getSingleton().invalidateMaterial(
-                RTShader::ShaderGenerator::DEFAULT_SCHEME_NAME, *bgplane->getMaterial());
+                RTShader::ShaderGenerator::DEFAULT_SCHEME_NAME, bgplane->getMaterial()->getName(),
+                RESOURCEGROUP_NAME);
 
             tus->setTextureName(name);
             tus->setTextureAddressingMode(TAM_CLAMP);