diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8722bdad..ddb315f4 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -18,6 +18,10 @@ and this project adheres to
 - 🗑️(settings) deprecate SUMMARY_SERVICE_VERSION=1
 - ⬆️(mail) update mjml to v5 and @html-to/text-cli
 
+### Fixed
+
+- 🩹(backend) identify externally provisioned users to PostHog
+
 ## [1.23.0] - 2026-07-08
 
 ### Added
diff --git a/src/backend/core/external_api/viewsets.py b/src/backend/core/external_api/viewsets.py
index 6ee434d2..093961a6 100644
--- a/src/backend/core/external_api/viewsets.py
+++ b/src/backend/core/external_api/viewsets.py
@@ -215,5 +215,6 @@ class RoomViewSet(
                 "client_id": client_id,
                 "external_api": True,
                 "auth_method": auth_method,
+                "$set": {"email": self.request.user.email},
             },
         )