diff --git a/hw/bsp/nuc100_120/FreeRTOSConfig/FreeRTOSConfig.h b/hw/bsp/nuc100_120/FreeRTOSConfig/FreeRTOSConfig.h
index e8f120553..dfac55a91 100644
--- a/hw/bsp/nuc100_120/FreeRTOSConfig/FreeRTOSConfig.h
+++ b/hw/bsp/nuc100_120/FreeRTOSConfig/FreeRTOSConfig.h
@@ -44,7 +44,7 @@
 
 // skip if included from IAR assembler
 #ifndef __IASMARM__
-  #include "NuMicro.h"
+#include "NUC100Series.h"
 #endif
 
 /* Cortex-M0 port configuration. */
diff --git a/src/portable/nuvoton/nuc120/dcd_nuc120.c b/src/portable/nuvoton/nuc120/dcd_nuc120.c
index b0b6fe857..0edebf159 100644
--- a/src/portable/nuvoton/nuc120/dcd_nuc120.c
+++ b/src/portable/nuvoton/nuc120/dcd_nuc120.c
@@ -275,6 +275,19 @@ bool dcd_edpt_open(uint8_t rhport, tusb_desc_endpoint_t const * p_endpoint_desc)
   return true;
 }
 
+bool dcd_edpt_iso_alloc(uint8_t rhport, uint8_t ep_addr, uint16_t largest_packet_size) {
+  (void) rhport;
+  (void) ep_addr;
+  (void) largest_packet_size;
+  return false; // TODO not implemented yet
+}
+
+bool dcd_edpt_iso_activate(uint8_t rhport, tusb_desc_endpoint_t const *desc_ep) {
+  (void) rhport;
+  (void) desc_ep;
+  return false; // TODO not implemented yet
+}
+
 void dcd_edpt_close_all (uint8_t rhport)
 {
   (void) rhport;