diff --git a/sys/dev/usb/usb_device.c b/sys/dev/usb/usb_device.c
index cc679611a83..322e4f5401b 100644
--- a/sys/dev/usb/usb_device.c
+++ b/sys/dev/usb/usb_device.c
@@ -897,6 +897,9 @@ usb_config_parse(struct usb_device *udev, uint8_t iface_index, uint8_t cmd)
 				/* initialise interface */
 				do_init = 1;
 			}
+			/* update number of alternate settings, if any */
+			if (iface_index == USB_IFACE_INDEX_ANY)
+				iface->num_altsetting = ips.iface_index_alt + 1;
 		} else
 			do_init = 0;
 
@@ -905,9 +908,6 @@ usb_config_parse(struct usb_device *udev, uint8_t iface_index, uint8_t cmd)
 			/* update current number of endpoints */
 			ep_curr = ep_max;
 		}
-		/* update number of alternate settings, if any */
-		if (iface_index == USB_IFACE_INDEX_ANY)
-			iface->num_altsetting = ips.iface_index_alt + 1;
 
 		/* check for init */
 		if (do_init) {