diff --git a/code/nel/src/gui/lua_ihm.cpp b/code/nel/src/gui/lua_ihm.cpp
index f1c91c4a4..b409de661 100644
--- a/code/nel/src/gui/lua_ihm.cpp
+++ b/code/nel/src/gui/lua_ihm.cpp
@@ -1537,7 +1537,7 @@ namespace NLGUI
 		for (uint e=0 ; e<__num__ ; e++) \
 		{ \
 			std::string str = __toStringFunc__((__enum__)e); \
-			std::string temp = __name__ + toString(".") + __toStringFunc__((__enum__)e) + " = " + toString("%d;", e); \
+			std::string temp = __name__ + toString(".") + __toStringFunc__((__enum__)e) + " = " + toString("%u;", e); \
 			ls.executeScript(temp); \
 		} \