diff --git a/network/config-interfaces b/network/config-interfaces
index 7f0d69b..2f34c88 100755
--- a/network/config-interfaces
+++ b/network/config-interfaces
@@ -7,7 +7,7 @@ fi;
 
 # variables
 path=`realpath $1`;
-CONFIG="";
+CONFIG="\n\n";
 
 # [2] create current config backup (safe)
 cp $path $path.save \
@@ -22,7 +22,7 @@ echo "\n== REQUIRED ==";
 	
 	test -z "$iface_name" && echo "empty interface name !\naborting" && exit;
 
-	CONFIG="auto $iface_name";
+	CONFIG="$CONFIG\nauto $iface_name";
 
 
 
@@ -97,5 +97,5 @@ echo "\n== OPTIONAL ==";
 
 
 
-echo $CONFIG > $path;
+echo $CONFIG >> $path;
 echo "\n== WRITTEN TO FILE ==";