diff --git a/mkmap.sh b/mkmap.sh
index f43886c..36e4758 100755
--- a/mkmap.sh
+++ b/mkmap.sh
@@ -21,3 +21,4 @@ batctl vd json | "$(dirname "$0")"/bat2nodes.py -a "$(dirname "$0")"/aliases.jso
 
 mv $DEST/nodes.json.new $DEST/nodes.json
 
+"$(dirname "$0")"/nodes2bathosts.py < $DEST/nodes.json > /etc/bat-hosts
diff --git a/nodes2bathosts.py b/nodes2bathosts.py
new file mode 100755
index 0000000..f00503a
--- /dev/null
+++ b/nodes2bathosts.py
@@ -0,0 +1,11 @@
+#!/usr/bin/env python3
+
+import json
+import sys
+
+nodes = json.load(sys.stdin)
+
+for node in nodes['nodes']:
+  if node['name']:
+    for mac in node['macs'].split(','):
+      print("%s %s" % (mac.strip(), node['name']))