diff --git a/indra/newview/llfloaterimsessiontab.cpp b/indra/newview/llfloaterimsessiontab.cpp
index fbdaca0e6f31a7b819581a4753a4c062010d6213..2864f018b203b594eb95c21bc292a84464bc4a91 100755
--- a/indra/newview/llfloaterimsessiontab.cpp
+++ b/indra/newview/llfloaterimsessiontab.cpp
@@ -47,7 +47,7 @@
 const F32 REFRESH_INTERVAL = 1.0f;
 
 LLFloaterIMSessionTab::LLFloaterIMSessionTab(const LLSD& session_id)
-:	LLTransientDockableFloater(NULL, true, session_id),
+:	LLTransientDockableFloater(NULL, false, session_id),
 	mIsP2PChat(false),
 	mExpandCollapseBtn(NULL),
 	mTearOffBtn(NULL),