diff --git a/apps/admin/src/app/dataProvider.ts b/apps/admin/src/app/dataProvider.ts
index a4314f30..e3680568 100644
--- a/apps/admin/src/app/dataProvider.ts
+++ b/apps/admin/src/app/dataProvider.ts
@@ -1,5 +1,6 @@
 import { getSession } from 'next-auth/react'
 import simpleRestProvider from 'ra-data-simple-rest'
+import type { DataProvider } from 'react-admin'
 import { fetchUtils } from 'react-admin'
 
 const fetchJson = async (url: string, options: fetchUtils.Options = {}) => {
@@ -19,4 +20,21 @@ const fetchJson = async (url: string, options: fetchUtils.Options = {}) => {
   return fetchUtils.fetchJson(url, newOptions)
 }
 
-export const dataProvider = simpleRestProvider('http://localhost:8000', fetchJson)
+const baseDataProvider = simpleRestProvider('http://localhost:8000', fetchJson)
+
+export const dataProvider: DataProvider = {
+  ...baseDataProvider,
+  update: (resource, params) => {
+    // 'form' updates use PUT requests, all other updates use PATCH requests
+    if (resource === 'form') {
+      return fetchJson(`http://localhost:8000/${resource}/${params.id}`, {
+        method: 'PUT',
+        body: JSON.stringify(params.data),
+      }).then(({ json }) => ({ data: json }))
+    }
+    return fetchJson(`http://localhost:8000/${resource}/${params.id}`, {
+      method: 'PATCH',
+      body: JSON.stringify(params.data),
+    }).then(({ json }) => ({ data: json }))
+  },
+}
diff --git a/apps/admin/src/components/admin/Admin/Admin.tsx b/apps/admin/src/components/admin/Admin/Admin.tsx
index b4733a96..43573c67 100644
--- a/apps/admin/src/components/admin/Admin/Admin.tsx
+++ b/apps/admin/src/components/admin/Admin/Admin.tsx
@@ -11,7 +11,7 @@ import { FormList } from '../../form/FormList'
 // import { MainForm } from '../MainForm'
 
 const dataProvider = fakeDataProvider({
-  categories: [
+  classification: [
     {
       name: 'afval',
       id: 1,