diff --git a/os/hal/include/hal_usbh.h b/os/hal/include/hal_usbh.h
index 1ed6416a..7ff8de0d 100644
--- a/os/hal/include/hal_usbh.h
+++ b/os/hal/include/hal_usbh.h
@@ -52,7 +52,9 @@
 #define HAL_USBH_USE_ADDITIONAL_CLASS_DRIVERS	FALSE
 #endif
 
+#ifndef HAL_USBH_USE_IAD
 #define HAL_USBH_USE_IAD     HAL_USBH_USE_UVC
+#endif
 
 #if (HAL_USE_USBH == TRUE) || defined(__DOXYGEN__)