diff --git a/code/nel/src/gui/ctrl_base.cpp b/code/nel/src/gui/ctrl_base.cpp
index 442f8276a..cffa9590e 100644
--- a/code/nel/src/gui/ctrl_base.cpp
+++ b/code/nel/src/gui/ctrl_base.cpp
@@ -259,7 +259,7 @@ namespace NLGUI
 	{
 		if( name == "tooltip" )
 		{
-			_ContextHelp = value;
+			_ContextHelp = ucstring::makeFromUtf8(value);
 			return;
 		}
 		else