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--- a/ForgeHg/forgehg/hg_main.py
+++ b/ForgeHg/forgehg/hg_main.py
@@ -47,6 +47,7 @@
 class ForgeHgApp(Application):
     '''This is the Hg app for PyForge'''
     __version__ = version.__version__
+    installable=False
     permissions = [ 'read', 'write', 'create', 'admin', 'configure' ]
     config_options = Application.config_options + [
         ConfigOption('cloned_from', ObjectId, None)