diff --git a/targets/ramips-mt7620 b/targets/ramips-mt7620
index ff2e4529a6b9caceeb0d0f14f13c9bf598a58c0d..ff90c0dc792cee16a8b6110a3effc48d7fcdc053 100644
--- a/targets/ramips-mt7620
+++ b/targets/ramips-mt7620
@@ -42,7 +42,9 @@ device('tp-link-archer-c2-v1', 'tplink_c2-v1', {
 	factory = false,
 })
 
-device('tp-link-archer-c20-v1', 'tplink_c20-v1')
+device('tp-link-archer-c20-v1', 'tplink_c20-v1', {
+	factory = false,
+})
 
 device('tp-link-archer-c20i', 'ArcherC20i')