diff --git a/source/rpc_server/srv_netlog_nt.c b/source/rpc_server/srv_netlog_nt.c
index 3892a8c9824..c65ea43e1e1 100644
--- a/source/rpc_server/srv_netlog_nt.c
+++ b/source/rpc_server/srv_netlog_nt.c
@@ -565,7 +565,7 @@ NTSTATUS _net_sam_logon(pipes_struct *p, NET_Q_SAM_LOGON *q_u, NET_R_SAM_LOGON *
 	DEBUG(3,("User:[%s@%s] Requested Domain:[%s]\n", nt_username, 
                  nt_workstation, nt_domain));
    	
-	pstrcpy(current_user_info.smb_name, nt_username);
+	fstrcpy(current_user_info.smb_name, nt_username);
 	sub_set_smb_name(nt_username);
      
 	/*