diff --git a/src/blackmisc/network/authenticateduser.h b/src/blackmisc/network/authenticateduser.h
index 9ed68b225..c46ee75f6 100644
--- a/src/blackmisc/network/authenticateduser.h
+++ b/src/blackmisc/network/authenticateduser.h
@@ -168,7 +168,7 @@ namespace BlackMisc
             static CAuthenticatedUser fromDatabaseJson(const QJsonObject &json);
 
         private:
-            int                 m_vatsimId;
+            int                 m_vatsimId = -1;
             QString             m_realname;
             QString             m_username;
             QString             m_email;