diff --git a/modules/admin-core/root/lib/uci/schema/default/network b/modules/admin-core/root/lib/uci/schema/default/network
index 11d3838fa7..00f9420fb6 100644
--- a/modules/admin-core/root/lib/uci/schema/default/network
+++ b/modules/admin-core/root/lib/uci/schema/default/network
@@ -126,7 +126,7 @@ config variable
 	option name	'device'
 	option title	'Modem device'
 	option section	'network.interface'
-	option datatype	'file'
+	option datatype	'device'
 	list   depends	'proto=ppp'
 
 config variable