{
                .Config =
                        {
-                               .ControlInterfaceNumber   = 0,
+                               .ControlInterfaceNumber   = INTERFACE_ID_CDC1_CCI,
                                .DataINEndpoint           =
                                        {
                                                .Address          = CDC1_TX_EPADDR,
        {
                .Config =
                        {
-                               .ControlInterfaceNumber   = 2,
+                               .ControlInterfaceNumber   = INTERFACE_ID_CDC2_CCI,
                                .DataINEndpoint           =
                                        {
                                                .Address          = CDC2_TX_EPADDR,