diff --git a/usr/bin/vmmgr b/usr/bin/vmmgr
index 21091f8..37ac1d6 100755
--- a/usr/bin/vmmgr
+++ b/usr/bin/vmmgr
@@ -13,6 +13,10 @@ def unregister_app(app):
     # Used by package uninstall.sh script
     vmmgr.unregister_app(app)
 
+def register_prop(app, key, value):
+    # Used by package install.sh script
+    config.set_app(app, key, value)
+
 def rebuild_issue():
     # Used by inittab on VM startup
     vmmgr.rebuild_issue()
@@ -38,6 +42,12 @@ parser_unregister_app = subparsers.add_parser('unregister-app')
 parser_unregister_app.set_defaults(action=unregister_app)
 parser_unregister_app.add_argument('app', help='Application name')
 
+parser_register_prop = subparsers.add_parser('register-prop')
+parser_register_prop.set_defaults(action=register_prop)
+parser_register_prop.add_argument('app', help='Application name')
+parser_register_prop.add_argument('key', help='Property name')
+parser_register_prop.add_argument('value', help='Property value')
+
 parser_rebuild_issue = subparsers.add_parser('rebuild-issue')
 parser_rebuild_issue.set_defaults(action=rebuild_issue)
 
@@ -49,6 +59,8 @@ if args.action is register_app:
     register_app(args.app, args.host, args.login, args.password)
 elif args.action is unregister_app:
     unregister_app(args.app)
+elif args.action is register_prop:
+    register_prop(args.app, args.key, args.value)
 elif args.action is rebuild_issue:
     rebuild_issue()
 elif args.action is init:
diff --git a/usr/lib/python3.8/vmmgr/config.py b/usr/lib/python3.8/vmmgr/config.py
index d803152..ffe1176 100644
--- a/usr/lib/python3.8/vmmgr/config.py
+++ b/usr/lib/python3.8/vmmgr/config.py
@@ -35,16 +35,16 @@ def get_host():
     return data['host']
 
 @locked(paths.CONF_LOCK)
-def register_app(name, definition):
+def register_app(app, definition):
     load()
-    data['apps'][name] = definition
+    data['apps'][app] = definition
     save()
 
 @locked(paths.CONF_LOCK)
-def unregister_app(name):
+def unregister_app(app):
     load()
     try:
-        del data['apps'][name]
+        del data['apps'][app]
         save()
     except KeyError:
         pass
@@ -56,10 +56,10 @@ def set_host(key, value):
     save()
 
 @locked(paths.CONF_LOCK)
-def set_app(name, key, value):
+def set_app(app, key, value):
     load()
     try:
-        data['apps'][name][key] = value
+        data['apps'][app][key] = value
         save()
     except KeyError:
         pass