diff --git a/src/sentry/sentry_apps/api/endpoints/sentry_app_installations.py b/src/sentry/sentry_apps/api/endpoints/sentry_app_installations.py
index 6e3f80020103d0..d6a6ab09fdfff4 100644
--- a/src/sentry/sentry_apps/api/endpoints/sentry_app_installations.py
+++ b/src/sentry/sentry_apps/api/endpoints/sentry_app_installations.py
@@ -18,6 +18,7 @@
 from sentry.sentry_apps.models.sentry_app import SentryApp
 from sentry.sentry_apps.models.sentry_app_installation import SentryAppInstallation
 from sentry.users.models.user import User
+from sentry.users.services.user.model import RpcUser
 
 
 class SentryAppInstallationsSerializer(serializers.Serializer):
@@ -91,9 +92,9 @@ def post(self, request: Request, organization) -> Response:
                 sentry_app__slug=slug, organization_id=organization.id
             )
         except SentryAppInstallation.DoesNotExist:
-            assert isinstance(
-                request.user, User
-            ), f"user must be authenticated to create a SentryAppInstallation, currently is {type(request.user)}"
+            assert isinstance(request.user, User) or isinstance(
+                request.user, RpcUser
+            ), "user must be authenticated to create a SentryAppInstallation"
             install = SentryAppInstallationCreator(
                 organization_id=organization.id, slug=slug, notify=True
             ).run(user=request.user, request=request)
diff --git a/src/sentry/sentry_apps/installations.py b/src/sentry/sentry_apps/installations.py
index 777f91b6bffe30..9cf122a680c301 100644
--- a/src/sentry/sentry_apps/installations.py
+++ b/src/sentry/sentry_apps/installations.py
@@ -19,6 +19,7 @@
 from sentry.sentry_apps.services.hook import hook_service
 from sentry.tasks.sentry_apps import installation_webhook
 from sentry.users.models.user import User
+from sentry.users.services.user.model import RpcUser
 from sentry.utils import metrics
 
 
@@ -100,7 +101,7 @@ class SentryAppInstallationCreator:
     slug: str
     notify: bool = True
 
-    def run(self, *, user: User, request: HttpRequest | None) -> SentryAppInstallation:
+    def run(self, *, user: User | RpcUser, request: HttpRequest | None) -> SentryAppInstallation:
         metrics.incr("sentry_apps.installation.attempt")
         with transaction.atomic(router.db_for_write(ApiGrant)):
             api_grant = self._create_api_grant()
@@ -157,7 +158,7 @@ def audit(self, request: HttpRequest | None) -> None:
                 data={"sentry_app": self.sentry_app.name},
             )
 
-    def record_analytics(self, user: User) -> None:
+    def record_analytics(self, user: User | RpcUser) -> None:
         analytics.record(
             "sentry_app.installed",
             user_id=user.id,