diff --git a/modules/sw_services/usb/portable/tusb_nstackwords.S b/modules/sw_services/usb/portable/tusb_nstackwords.S
new file mode 100644
index 00000000..b575d4ef
--- /dev/null
+++ b/modules/sw_services/usb/portable/tusb_nstackwords.S
@@ -0,0 +1,2 @@
+.global dcd_event_handler.nstackwords
+.set dcd_event_handler.nstackwords, 100