diff --git a/src/tusb_option.h b/src/tusb_option.h
index 427d19719..bb669e693 100644
--- a/src/tusb_option.h
+++ b/src/tusb_option.h
@@ -489,6 +489,8 @@
 
 #ifndef CFG_TUC_ENABLED
 #define CFG_TUC_ENABLED 0
+
+#define tuc_int_handler(_p)
 #endif
 
 //------------------------------------------------------------------