diff --git a/target/linux/ramips/base-files/etc/board.d/02_network b/target/linux/ramips/base-files/etc/board.d/02_network
index 1ec267279e..1778dc9329 100755
--- a/target/linux/ramips/base-files/etc/board.d/02_network
+++ b/target/linux/ramips/base-files/etc/board.d/02_network
@@ -133,7 +133,6 @@ ramips_setup_interfaces()
 	awm002-evb|\
 	awm003-evb|\
 	c20i|\
-	c50|\
 	dir-645|\
 	f5d8235-v2|\
 	gl-mt300a|\
@@ -196,6 +195,10 @@ ramips_setup_interfaces()
 	wrh-300cr)
 		ucidef_set_interface_lan "eth0"
 		;;
+	c50)
+		ucidef_add_switch "switch0" \
+			"1:lan:3" "2:lan:4" "3:lan:1" "4:lan:2" "0:wan" "6@eth0"
+		;;
 	dir-860l-b1)
 		ucidef_add_switch "switch0" \
 			"1:lan:4" "2:lan:3" "3:lan:2" "4:lan:1" "0:wan" "6@eth0"