Don't print undefined string

diff --git a/src/modules/rlm_lua/lua.c b/src/modules/rlm_lua/lua.c
index bf308794e8a2ea59ae672ccd2fea61fffa328c31..ebbb58bc0fba11af3cf736a3e290d199e792eddf 100644 (file)
--- a/src/modules/rlm_lua/lua.c
+++ b/src/modules/rlm_lua/lua.c
@@ -530,7 +530,7 @@ static int _lua_pair_accessor_init(lua_State *L)
 
        attr = lua_tostring(L, -1);
        if (!attr) {
-               REDEBUG("Failed retrieving field name \"%s\"", attr);
+               REDEBUG("Failed retrieving field name from lua stack");
                return -1;
        }