diff --git a/indra/newview/llmodelpreview.cpp b/indra/newview/llmodelpreview.cpp
index a3f555f7d6..78c24dd5b2 100644
--- a/indra/newview/llmodelpreview.cpp
+++ b/indra/newview/llmodelpreview.cpp
@@ -255,6 +255,12 @@ LLModelPreview::~LLModelPreview()
     {
         mModelLoader->shutdown();
     }
+
+    if (mPreviewAvatar)
+    {
+        mPreviewAvatar->markDead();
+        mPreviewAvatar = NULL;
+    }
 }
 
 U32 LLModelPreview::calcResourceCost()