If the parameter wasn't known return NULL for the dbus signature

diff --git a/libempathy/empathy-account-settings.c b/libempathy/empathy-account-settings.c
index 6129570c2f068d715ba6aa1b06340911955d09bb..f6c1af42cf70cf3200bc344523130dcbf7ef6726 100644 (file)
--- a/libempathy/empathy-account-settings.c
+++ b/libempathy/empathy-account-settings.c
@@ -575,6 +575,9 @@ empathy_account_settings_get_dbus_signature (EmpathyAccountSettings *settings,
 
   p = empathy_account_settings_get_tp_param (settings, param);
 
+  if (p == NULL)
+    return NULL;
+
   return p->dbus_signature;
 }