diff --git a/src/common/tusb_fifo.c b/src/common/tusb_fifo.c
index d6c3db4ce..76696396b 100644
--- a/src/common/tusb_fifo.c
+++ b/src/common/tusb_fifo.c
@@ -224,6 +224,7 @@ static void _ff_push_n(tu_fifo_t* f, void const * app_buf, uint16_t n, uint16_t
         if (wrap_bytes > 0) _ff_push_const_addr(ff_buf, app_buf, wrap_bytes);
       }
       break;
+    default: break;
   }
 }