diff --git a/app/javascript/dashboard/composables/spec/useFacebookPageConnect.spec.js b/app/javascript/dashboard/composables/spec/useFacebookPageConnect.spec.js
index 5d9edb993..4ec17e753 100644
--- a/app/javascript/dashboard/composables/spec/useFacebookPageConnect.spec.js
+++ b/app/javascript/dashboard/composables/spec/useFacebookPageConnect.spec.js
@@ -70,7 +70,8 @@ describe('useFacebookPageConnect', () => {
       ACCOUNT_ID
     );
     expect(window.FB.login).toHaveBeenCalledWith(expect.any(Function), {
-      scope: expect.stringContaining('pages_show_list'),
+      scope:
+        'pages_manage_metadata,business_management,pages_messaging,pages_show_list,pages_read_engagement',
     });
   });
 
diff --git a/app/javascript/dashboard/composables/useFacebookPageConnect.js b/app/javascript/dashboard/composables/useFacebookPageConnect.js
index 46a177d58..dbe06dd0d 100644
--- a/app/javascript/dashboard/composables/useFacebookPageConnect.js
+++ b/app/javascript/dashboard/composables/useFacebookPageConnect.js
@@ -1,13 +1,9 @@
 import { ref } from 'vue';
 import { useMapGetter } from 'dashboard/composables/store';
 import ChannelApi from 'dashboard/api/channels';
+import { buildFacebookLoginScopes } from 'dashboard/helper/facebookScopes';
 import { setupFacebookSdk } from 'dashboard/routes/dashboard/settings/inbox/channels/whatsapp/utils';
 
-// Page-management + messaging scopes required to list pages and create a
-// Channel::FacebookPage inbox (mirrors the standalone settings flow).
-const FB_PAGE_SCOPES =
-  'pages_manage_metadata,business_management,pages_messaging,instagram_basic,pages_show_list,pages_read_engagement,instagram_manage_messages';
-
 // Headless half of the Facebook Page connect flow: load the Meta SDK, run
 // FB.login for page scopes, and fetch the user's pages. The caller owns the
 // page-picker UI and the channel creation, because choosing a page is an
@@ -51,7 +47,7 @@ export function useFacebookPageConnect() {
               : null
           );
         },
-        { scope: FB_PAGE_SCOPES }
+        { scope: buildFacebookLoginScopes() }
       );
     });
 
diff --git a/app/javascript/dashboard/helper/facebookScopes.js b/app/javascript/dashboard/helper/facebookScopes.js
new file mode 100644
index 000000000..755b3f465
--- /dev/null
+++ b/app/javascript/dashboard/helper/facebookScopes.js
@@ -0,0 +1,22 @@
+export const FACEBOOK_PAGE_SCOPES = [
+  'pages_manage_metadata',
+  'business_management',
+  'pages_messaging',
+  'pages_show_list',
+  'pages_read_engagement',
+];
+
+export const INSTAGRAM_SCOPES = [
+  'instagram_basic',
+  'instagram_manage_messages',
+];
+
+export const buildFacebookLoginScopes = ({
+  includeInstagramScopes = false,
+} = {}) => {
+  const scopes = [...FACEBOOK_PAGE_SCOPES];
+  if (includeInstagramScopes) {
+    scopes.push(...INSTAGRAM_SCOPES);
+  }
+  return scopes.join(',');
+};
diff --git a/app/javascript/dashboard/routes/dashboard/settings/inbox/facebook/Reauthorize.vue b/app/javascript/dashboard/routes/dashboard/settings/inbox/facebook/Reauthorize.vue
index dd566f131..cf25177ea 100644
--- a/app/javascript/dashboard/routes/dashboard/settings/inbox/facebook/Reauthorize.vue
+++ b/app/javascript/dashboard/routes/dashboard/settings/inbox/facebook/Reauthorize.vue
@@ -4,6 +4,7 @@ import InboxReconnectionRequired from '../components/InboxReconnectionRequired.v
 import { useAlert } from 'dashboard/composables';
 
 import { loadScript } from 'dashboard/helper/DOMHelpers';
+import { buildFacebookLoginScopes } from 'dashboard/helper/facebookScopes';
 import * as Sentry from '@sentry/vue';
 
 export default {
@@ -20,6 +21,11 @@ export default {
     inboxId() {
       return this.inbox.id;
     },
+    facebookLoginScopes() {
+      return buildFacebookLoginScopes({
+        includeInstagramScopes: !!this.inbox.instagram_id,
+      });
+    },
   },
   mounted() {
     window.fbAsyncInit = this.runFBInit;
@@ -77,8 +83,7 @@ export default {
           }
         },
         {
-          scope:
-            'pages_manage_metadata,business_management,pages_messaging,instagram_basic,pages_show_list,pages_read_engagement,instagram_manage_messages',
+          scope: this.facebookLoginScopes,
           auth_type: 'reauthorize',
         }
       );