diff --git a/run_flaschengeist b/run_flaschengeist
index db91492..083e36a 100644
--- a/run_flaschengeist
+++ b/run_flaschengeist
@@ -28,7 +28,6 @@ def export(arguments):
     import flaschengeist.system.models as models
 
     known = []
-    done = []
     classes = {}
 
     def pytype(cls):
@@ -69,7 +68,7 @@ def export(arguments):
     with app.app_context():
         walker(("models", models))
         with open(arguments.file, "w") as file:
-            file.write("declare namespace FG {\n")
+            file.write("declare namespace {} \{\n".format(arguments.namespace))
             for cls, params in classes.items():
                 if isinstance(params, str):
                     file.write("\ttype {} = {};\n".format(cls, params))
@@ -98,6 +97,7 @@ if __name__ == "__main__":
     parser_export = subparsers.add_parser("export", help="export models to typescript interfaces")
     parser_export.set_defaults(func=export)
     parser_export.add_argument("--file", help="Filename where to save", default="flaschengeist.d.ts")
+    parser_export.add_argument("--namespace", help="Namespace of declarations", default="FG")
 
     args = parser.parse_args()
     args.func(args)