diff --git a/indra/llui/llpanel.cpp b/indra/llui/llpanel.cpp
index 07c0f3ce847eaff623422813a29b5e2488efae4c..89c46562973ec4e39982c235933ebba96fc38884 100644
--- a/indra/llui/llpanel.cpp
+++ b/indra/llui/llpanel.cpp
@@ -512,6 +512,8 @@ BOOL LLPanel::initPanelXML(LLXMLNodePtr node, LLView *parent, LLXMLNodePtr outpu
 			// add children using dimensions from referenced xml for consistent layout
 			setShape(params.rect);
 			LLUICtrlFactory::createChildren(this, referenced_xml, child_registry_t::instance());
+
+			setXMLFilename(xml_filename);
 		}
 
 		// ask LLUICtrlFactory for filename, since xml_filename might be empty
diff --git a/indra/newview/llsidetray.cpp b/indra/newview/llsidetray.cpp
index 061587f11b7dc8fc83b102fa7bf9275f8b4e9194..c3da246039aacb4dd9572ecbfe8936c8cb48f859 100644
--- a/indra/newview/llsidetray.cpp
+++ b/indra/newview/llsidetray.cpp
@@ -101,6 +101,7 @@ LLSideTray* LLSideTray::getInstance()
 	if (!sInstance)
 	{
 		sInstance = LLUICtrlFactory::createFromFile<LLSideTray>("panel_side_tray.xml",NULL, LLRootView::child_registry_t::instance());
+		sInstance->setXMLFilename("panel_side_tray.xml");
 	}
 
 	return sInstance;