diff --git a/server/core/load_utils.cc b/server/core/load_utils.cc
index fc2274482..3c25398d0 100644
--- a/server/core/load_utils.cc
+++ b/server/core/load_utils.cc
@@ -531,7 +531,7 @@ static json_t* module_json_data(const LOADED_MODULE* mod, const char* host)
 
         if (mod->info->parameters[i].default_value)
         {
-            json_object_set(p, "default_value", json_string(mod->info->parameters[i].default_value));
+            json_object_set_new(p, "default_value", json_string(mod->info->parameters[i].default_value));
         }
 
         if (mod->info->parameters[i].type == MXS_MODULE_PARAM_ENUM