diff --git a/targets/ramips-mt7620 b/targets/ramips-mt7620
index 9b59abb0..1cb61e5f 100644
--- a/targets/ramips-mt7620
+++ b/targets/ramips-mt7620
@@ -51,7 +51,9 @@ 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')