diff --git a/roles/phabricator/templates/local.json.j2 b/roles/phabricator/templates/local.json.j2
index a4c3dbd7fd..fa490e3a91 100644
--- a/roles/phabricator/templates/local.json.j2
+++ b/roles/phabricator/templates/local.json.j2
@@ -34,6 +34,10 @@
         "PhabricatorApplicationHarbormaster" : true,
         "PhabricatorApplicationOAuthServer" : true,
         "PhabricatorApplicationPhortune" : true
-        }
+        },
+{% if deployment_type == "qa-stg" %}
+  "load-libraries": {
+    "ipsilonoauth": "/srv/phabricator-extension-ipsilonoauth/src"
+  },
 }