diff --git a/apps/dsm/DSM.cpp b/apps/dsm/DSM.cpp
index 0f8b3e43..775498f1 100644
--- a/apps/dsm/DSM.cpp
+++ b/apps/dsm/DSM.cpp
@@ -417,6 +417,7 @@ bool DSMFactory::loadConfig(const string& conf_file_name, const string& conf_nam
     return false;
 
   DSMScriptConfig script_config;
+  script_config.diags = NULL;
   script_config.RunInviteEvent = 
     cfg.getParameter("run_invite_event")=="yes";