diff --git a/demos/rt/RT-STM32F407-DISCOVERY-MEMS/main.c b/demos/rt/RT-STM32F407-DISCOVERY-MEMS/main.c
index f3f6a0e86..254b5ecbc 100644
--- a/demos/rt/RT-STM32F407-DISCOVERY-MEMS/main.c
+++ b/demos/rt/RT-STM32F407-DISCOVERY-MEMS/main.c
@@ -223,6 +223,7 @@ static THD_FUNCTION(Thread1, arg) {
  * Application entry point.
  */
 int main(void) {
+  static THD_WORKING_AREA(wa_usb_lld_pump, STM32_USB_OTG_THREAD_STACK_SIZE);
   thread_t *shelltp = NULL;
 
   /*
@@ -251,6 +252,8 @@ int main(void) {
    * Note, a delay is inserted in order to not have to disconnect the cable
    * after a reset.
    */
+  chThdCreateStatic(wa_usb_lld_pump, sizeof(wa_usb_lld_pump),
+                    STM32_USB_OTG_THREAD_PRIO, usb_lld_pump, serusbcfg.usbp);
   usbDisconnectBus(serusbcfg.usbp);
   chThdSleepMilliseconds(1000);
   usbStart(serusbcfg.usbp, &usbcfg);