diff --git a/code/ryzom/client/src/libwww.cpp b/code/ryzom/client/src/libwww.cpp
index aa95339a4..5e55d933e 100644
--- a/code/ryzom/client/src/libwww.cpp
+++ b/code/ryzom/client/src/libwww.cpp
@@ -586,7 +586,7 @@ void initLibWWW()
 
 		/* Register the default set of MIME header parsers */
 		struct {
-			char * string;
+			const char * string;
 		HTParserCallback * pHandler;
 		} fixedHandlers[] = {
 		{"accept", &HTMIME_accept},