diff --git a/code/ryzom/client/src/interface_v3/ctrl_base.cpp b/code/ryzom/client/src/interface_v3/ctrl_base.cpp
index 0e35d2eb8..151d2be6f 100644
--- a/code/ryzom/client/src/interface_v3/ctrl_base.cpp
+++ b/code/ryzom/client/src/interface_v3/ctrl_base.cpp
@@ -92,7 +92,7 @@ bool CCtrlBase::parse (xmlNodePtr cur, CInterfaceGroup *parentGroup)
 	prop = (char*) xmlGetProp( cur, (xmlChar*)"on_tooltip" );
 	if (prop)
 	{
-		_OnContextHelp= NLMISC::toLower(std::string((const char*)prop));
+		_OnContextHelp= (const char*)prop;
 	}
 	prop = (char*) xmlGetProp( cur, (xmlChar*)"on_tooltip_params" );
 	if (prop)