diff --git a/drivers/usb/image/microtek.c b/drivers/usb/image/microtek.c
index 9f2f563c82ed161912683091a93d2752219c714a..addbb47a50333afc4d48c45c67d645d8699d7ef9 100644
--- a/drivers/usb/image/microtek.c
+++ b/drivers/usb/image/microtek.c
@@ -721,6 +721,10 @@ static int mts_usb_probe(struct usb_interface *intf,
 
 	}
 
+	if (ep_in_current != &ep_in_set[2]) {
+		MTS_WARNING("couldn't find two input bulk endpoints. Bailing out.\n");
+		return -ENODEV;
+	}
 
 	if ( ep_out == -1 ) {
 		MTS_WARNING( "couldn't find an output bulk endpoint. Bailing out.\n" );