diff --git a/enterprise/saas_server.py b/enterprise/saas_server.py
index 4c3c7c49ba..01a6810bbd 100644
--- a/enterprise/saas_server.py
+++ b/enterprise/saas_server.py
@@ -4,6 +4,10 @@ from dotenv import load_dotenv
 
 load_dotenv()
 
+# Ensure SAAS configuration is used
+if not os.getenv('OPENHANDS_CONFIG_CLS'):
+    os.environ['OPENHANDS_CONFIG_CLS'] = 'server.config.SaaSServerConfig'
+
 import socketio  # noqa: E402
 from fastapi import Request, status  # noqa: E402
 from fastapi.middleware.cors import CORSMiddleware  # noqa: E402
diff --git a/enterprise/storage/saas_app_conversation_info_injector.py b/enterprise/storage/saas_app_conversation_info_injector.py
new file mode 100644
index 0000000000..9ae0c716a3
--- /dev/null
+++ b/enterprise/storage/saas_app_conversation_info_injector.py
@@ -0,0 +1,34 @@
+"""Enterprise injector for SQLAppConversationInfoService with SAAS filtering."""
+
+from typing import AsyncGenerator
+
+from fastapi import Request
+
+from openhands.app_server.app_conversation.app_conversation_info_service import (
+    AppConversationInfoService,
+    AppConversationInfoServiceInjector,
+)
+from openhands.app_server.services.injector import InjectorState
+
+
+class SaasAppConversationInfoServiceInjector(AppConversationInfoServiceInjector):
+    """Enterprise injector for SQLAppConversationInfoService with SAAS filtering."""
+
+    async def inject(
+        self, state: InjectorState, request: Request | None = None
+    ) -> AsyncGenerator[AppConversationInfoService, None]:
+        # Define inline to prevent circular lookup
+        from openhands.app_server.config import (
+            get_db_session,
+            get_user_context,
+        )
+        from storage.stored_conversation_metadata import SQLAppConversationInfoServiceSaas
+
+        async with (
+            get_user_context(state, request) as user_context,
+            get_db_session(state, request) as db_session,
+        ):
+            service = SQLAppConversationInfoServiceSaas(
+                db_session=db_session, user_context=user_context
+            )
+            yield service
\ No newline at end of file
diff --git a/openhands/app_server/config.py b/openhands/app_server/config.py
index 2dd50d7fa7..3c87dff143 100644
--- a/openhands/app_server/config.py
+++ b/openhands/app_server/config.py
@@ -175,7 +175,20 @@ def config_from_env() -> AppServerConfig:
             config.sandbox_spec = DockerSandboxSpecServiceInjector()
 
     if config.app_conversation_info is None:
-        config.app_conversation_info = SQLAppConversationInfoServiceInjector()
+        # Use enterprise injector if running in SAAS mode
+        if 'saas' in (os.getenv('OPENHANDS_CONFIG_CLS') or '').lower():
+            try:
+                # Import enterprise injector dynamically
+                from enterprise.storage.saas_app_conversation_info_injector import (
+                    SaasAppConversationInfoServiceInjector,
+                )
+
+                config.app_conversation_info = SaasAppConversationInfoServiceInjector()
+            except ImportError:
+                # Fallback to OSS injector if enterprise module is not available
+                config.app_conversation_info = SQLAppConversationInfoServiceInjector()
+        else:
+            config.app_conversation_info = SQLAppConversationInfoServiceInjector()
 
     if config.app_conversation_start_task is None:
         config.app_conversation_start_task = (