diff --git a/target/linux/at91/base-files/etc/config/network b/target/linux/at91/base-files/etc/config/network
index 2aecfb9ebc..a99b60d24f 100644
--- a/target/linux/at91/base-files/etc/config/network
+++ b/target/linux/at91/base-files/etc/config/network
@@ -16,5 +16,5 @@ config interface debug
 	option type 	none
 	option proto 	static
 	option ipaddr	172.18.0.18
-	option netmash	255.255.255.0
+	option netmask	255.255.255.0