diff --git a/bat2nodes.py b/bat2nodes.py
index 917136a..a3d3fb1 100755
--- a/bat2nodes.py
+++ b/bat2nodes.py
@@ -28,6 +28,9 @@ parser.add_argument('-g', '--gateway', action='append',
 
 parser.add_argument('batmanjson', help='output of batman vd json')
 
+parser.add_argument('-d', '--destination-directory', action='store',
+                  help='destination directory for generated files',required=True)
+
 args = parser.parse_args()
 
 options = vars(args)
@@ -44,4 +47,6 @@ if options['gateway']:
 
 m = D3MapBuilder(db)
 
-print(m.build())
+nodes_json = open(options['destination_directory'] + '/nodes.json.new','w')
+nodes_json.write(m.build())
+nodes_json.close()
diff --git a/mkmap.sh b/mkmap.sh
index 13ec9ec..064d1b9 100755
--- a/mkmap.sh
+++ b/mkmap.sh
@@ -20,7 +20,7 @@ fi
 "$(dirname "$0")"/ffhlwiki.py http://freifunk.metameute.de/wiki/Knoten > "$(dirname "$0")"/aliases_hl.json
 "$(dirname "$0")"/ffhlwiki.py http://freifunk.metameute.de/wiki/Moelln:Knoten > "$(dirname "$0")"/aliases_moelln.json
 
-batctl vd json -n | "$(dirname "$0")"/bat2nodes.py -a "$(dirname "$0")"/aliases.json -a aliases_hl.json -a aliases_moelln.json $GWS - > $DEST/nodes.json.new
+batctl vd json -n | "$(dirname "$0")"/bat2nodes.py -a "$(dirname "$0")"/aliases.json -a aliases_hl.json -a aliases_moelln.json -d $DEST $GWS -
 
 mv $DEST/nodes.json.new $DEST/nodes.json