diff --git a/litellm/proxy/management_endpoints/internal_user_endpoints.py b/litellm/proxy/management_endpoints/internal_user_endpoints.py
index 7c7636a7981..7d63f611876 100644
--- a/litellm/proxy/management_endpoints/internal_user_endpoints.py
+++ b/litellm/proxy/management_endpoints/internal_user_endpoints.py
@@ -2694,11 +2694,13 @@ async def ui_view_users(
         if org_filter_ids is not None:
             where_conditions["organization_memberships"] = {"some": {"organization_id": {"in": org_filter_ids}}}
 
-        where: Final[Mapping[str, object]] = {
-            key: value
-            for key, value in (*where_conditions.items(), *_user_search_where(search).items())
-            if value is not None
-        }
+        where: Final[Mapping[str, object]] = MappingProxyType(
+            {
+                key: value
+                for key, value in (*where_conditions.items(), *_user_search_where(search).items())
+                if value is not None
+            }
+        )
 
         # Query users with pagination and filters
         users: Final = await _user_table(prisma_client).find_many(
diff --git a/ui/litellm-dashboard/src/components/organisms/create_key_button.integration.test.tsx b/ui/litellm-dashboard/src/components/organisms/create_key_button.integration.test.tsx
index daf80ffefde..c1de7f049e1 100644
--- a/ui/litellm-dashboard/src/components/organisms/create_key_button.integration.test.tsx
+++ b/ui/litellm-dashboard/src/components/organisms/create_key_button.integration.test.tsx
@@ -189,7 +189,8 @@ const openModal = async (props: Partial<React.ComponentProps<typeof CreateKey>>
   return view;
 };
 
-const userSearchInput = (): Promise<HTMLElement> => screen.findByPlaceholderText("Type email or user ID to search for users");
+const userSearchInput = (): Promise<HTMLElement> =>
+  screen.findByPlaceholderText("Type email or user ID to search for users");
 
 const openSection = async (name: RegExp) => {
   await userEvent.click(await screen.findByRole("button", { name }));
@@ -1022,9 +1023,7 @@ describe("CreateKey", () => {
       ];
       vi.mocked(userFilterUICall).mockImplementation(
         (_accessToken, params) =>
-          Promise.resolve(
-            directory.filter((entry) => entry.user_email.includes(params.get("search") ?? "")),
-          ) as never,
+          Promise.resolve(directory.filter((entry) => entry.user_email.includes(params.get("search") ?? ""))) as never,
       );
 
       const user = userEvent.setup({ advanceTimers: vi.advanceTimersByTime });