diff --git a/indra/newview/llbottomtray.cpp b/indra/newview/llbottomtray.cpp
index f33dd2a32a..616cbb1fdb 100644
--- a/indra/newview/llbottomtray.cpp
+++ b/indra/newview/llbottomtray.cpp
@@ -59,7 +59,10 @@ LLBottomTray::LLBottomTray()
 
 LLBottomTray::~LLBottomTray()
 {
-	LLIMMgr::getInstance()->removeSessionObserver(this);
+	if (!LLSingleton<LLIMMgr>::destroyed())
+	{
+		LLIMMgr::getInstance()->removeSessionObserver(this);
+	}
 }
 
 LLLineEditor* LLBottomTray::getChatBox()