diff --git a/src/host/usbh.c b/src/host/usbh.c
index 41f41dcfb..d702e9186 100644
--- a/src/host/usbh.c
+++ b/src/host/usbh.c
@@ -1841,6 +1841,12 @@ static uint8_t enum_get_new_address(bool is_hub) {
     }
   }
 
+#if CFG_TUH_HUB
+  if ( is_hub ) {
+    TU_LOG1("All addresses are occupied, try to increase CFG_TUH_HUB value.\r\n");
+  }
+#endif // CFG_TUH_HUB
+
   return 0; // invalid address
 }