diff --git a/.arcconfig b/.arcconfig
index c3f8319..78cb273 100644
--- a/.arcconfig
+++ b/.arcconfig
@@ -6,6 +6,7 @@
   ],
   "arcanist_configuration": "HookConphig",
   "phabricator.uri": "http://codereview.cc/",
+  "repository.callsign": "MDMSTREAMSANDROID",
   "arc.land.onto.default": "develop",
   "arc.feature.start.default": "origin/develop"
 }