diff --git a/app/forms/idp/create.tsx b/app/forms/idp/create.tsx
index 4fa8e10fa7..079d9a0ed5 100644
--- a/app/forms/idp/create.tsx
+++ b/app/forms/idp/create.tsx
@@ -133,7 +133,7 @@ export function CreateIdpSideModalForm() {
       <TextField
         name="groupAttributeName"
         label="Group attribute name"
-        description="Name of SAML attribute where we can find a comma-separated list of names of groups the user belongs to"
+        description="Name of the SAML attribute in the IdP response listing the user’s groups"
         control={form.control}
       />
       {/* TODO: Email field, probably */}
diff --git a/app/forms/idp/edit.tsx b/app/forms/idp/edit.tsx
index a5cbc1e07a..b51d1d9043 100644
--- a/app/forms/idp/edit.tsx
+++ b/app/forms/idp/edit.tsx
@@ -104,14 +104,14 @@ export function EditIdpSideModalForm() {
         control={form.control}
         disabled
       />
-      {/* TODO: add group attribute name when it is added to the API
-          <TextField
-            name="groupAttributeName"
-            label="Group attribute name"
-            description="Name of SAML attribute where we can find a comma-separated list of names of groups the user belongs to"
-            control={form.control}
-            disabled
-          /> */}
+      <TextField
+        name="groupAttributeName"
+        label="Group attribute name"
+        description="Name of the SAML attribute in the IdP response listing the user’s groups"
+        required
+        control={form.control}
+        disabled
+      />
       {/* TODO: Email field, probably */}
       <TextField
         name="technicalContactEmail"
diff --git a/mock-api/silo.ts b/mock-api/silo.ts
index fb14ccd4c3..c764e0852d 100644
--- a/mock-api/silo.ts
+++ b/mock-api/silo.ts
@@ -85,6 +85,7 @@ export const samlIdp: Json<SamlIdentityProvider> = {
   slo_url: '',
   sp_client_id: '',
   technical_contact_email: '',
+  group_attribute_name: 'groups',
 }
 
 // This works differently from Nexus, but the result is the same. In Nexus,
diff --git a/test/e2e/silos.e2e.ts b/test/e2e/silos.e2e.ts
index b37b2e862a..3be8297cf1 100644
--- a/test/e2e/silos.e2e.ts
+++ b/test/e2e/silos.e2e.ts
@@ -186,6 +186,10 @@ test('Identity providers', async ({ page }) => {
     'text="Single Logout (SLO) URL"',
   ])
 
+  await expect(page.getByRole('textbox', { name: 'Group attribute name' })).toHaveValue(
+    'groups'
+  )
+
   await page.getByRole('button', { name: 'Cancel' }).click()
   await expectNotVisible(page, ['role=dialog[name="Identity provider"]'])
 })