diff --git a/api/chalicelib/core/assist.py b/api/chalicelib/core/assist.py
index 4d1b7f636..dd69bdbf1 100644
--- a/api/chalicelib/core/assist.py
+++ b/api/chalicelib/core/assist.py
@@ -268,23 +268,23 @@ def session_exists(project_id, session_id):
 
 def __change_keys(key):
     return {
-        "PAGETITLE": schemas.LiveFilterType.page_title,
+        "PAGETITLE": schemas.LiveFilterType.page_title.value,
         "ACTIVE": "active",
         "LIVE": "live",
-        "SESSIONID": schemas.LiveFilterType.session_id,
-        "METADATA": schemas.LiveFilterType.metadata,
-        "USERID": schemas.LiveFilterType.user_id,
-        "USERUUID": schemas.LiveFilterType.user_UUID,
+        "SESSIONID": schemas.LiveFilterType.session_id.value,
+        "METADATA": schemas.LiveFilterType.metadata.value,
+        "USERID": schemas.LiveFilterType.user_id.value,
+        "USERUUID": schemas.LiveFilterType.user_UUID.value,
         "PROJECTKEY": "projectKey",
-        "REVID": schemas.LiveFilterType.rev_id,
+        "REVID": schemas.LiveFilterType.rev_id.value,
         "TIMESTAMP": "timestamp",
-        "TRACKERVERSION": schemas.LiveFilterType.tracker_version,
+        "TRACKERVERSION": schemas.LiveFilterType.tracker_version.value,
         "ISSNIPPET": "isSnippet",
-        "USEROS": schemas.LiveFilterType.user_os,
-        "USERBROWSER": schemas.LiveFilterType.user_browser,
-        "USERBROWSERVERSION": schemas.LiveFilterType.user_browser_version,
-        "USERDEVICE": schemas.LiveFilterType.user_device,
-        "USERDEVICETYPE": schemas.LiveFilterType.user_device_type,
-        "USERCOUNTRY": schemas.LiveFilterType.user_country,
+        "USEROS": schemas.LiveFilterType.user_os.value,
+        "USERBROWSER": schemas.LiveFilterType.user_browser.value,
+        "USERBROWSERVERSION": schemas.LiveFilterType.user_browser_version.value,
+        "USERDEVICE": schemas.LiveFilterType.user_device.value,
+        "USERDEVICETYPE": schemas.LiveFilterType.user_device_type.value,
+        "USERCOUNTRY": schemas.LiveFilterType.user_country.value,
         "PROJECTID": "projectId"
     }.get(key.upper(), key)