diff --git a/indra/newview/pipeline.cpp b/indra/newview/pipeline.cpp
index 2edb5cf8520ddf5560e30f5c2035e674fc387045..b42a84da470dd237906ad3b0d78bb4665c8d5c5a 100644
--- a/indra/newview/pipeline.cpp
+++ b/indra/newview/pipeline.cpp
@@ -695,6 +695,8 @@ void LLPipeline::cleanup()
 	mInitialized = FALSE;
 
 	mDeferredVB = NULL;
+
+	mCubeVB = NULL;
 }
 
 //============================================================================