diff --git a/app/soapbox/actions/auth.ts b/app/soapbox/actions/auth.ts
index 436c87ff2..a0ef8b447 100644
--- a/app/soapbox/actions/auth.ts
+++ b/app/soapbox/actions/auth.ts
@@ -20,8 +20,8 @@ import KVStore from 'soapbox/storage/kv-store';
 import toast from 'soapbox/toast';
 import { getLoggedInAccount, parseBaseURL } from 'soapbox/utils/auth';
 import sourceCode from 'soapbox/utils/code';
-import { getFeatures } from 'soapbox/utils/features';
 import { normalizeUsername } from 'soapbox/utils/input';
+import { getScopes } from 'soapbox/utils/scopes';
 import { isStandalone } from 'soapbox/utils/state';
 
 import api, { baseClient } from '../api';
@@ -55,12 +55,6 @@ export const messages = defineMessages({
 
 const noOp = () => new Promise(f => f(undefined));
 
-const getScopes = (state: RootState) => {
-  const instance = state.instance;
-  const { scopes } = getFeatures(instance);
-  return scopes;
-};
-
 const createAppAndToken = () =>
   (dispatch: AppDispatch) =>
     dispatch(getAuthApp()).then(() =>
diff --git a/app/soapbox/actions/consumer-auth.ts b/app/soapbox/actions/consumer-auth.ts
index 171941577..72c928dba 100644
--- a/app/soapbox/actions/consumer-auth.ts
+++ b/app/soapbox/actions/consumer-auth.ts
@@ -3,7 +3,7 @@ import axios from 'axios';
 import * as BuildConfig from 'soapbox/build-config';
 import { isURL } from 'soapbox/utils/auth';
 import sourceCode from 'soapbox/utils/code';
-import { getFeatures } from 'soapbox/utils/features';
+import { getScopes } from 'soapbox/utils/scopes';
 
 import { createApp } from './apps';
 
@@ -11,8 +11,7 @@ import type { AppDispatch, RootState } from 'soapbox/store';
 
 const createProviderApp = () => {
   return async(dispatch: AppDispatch, getState: () => RootState) => {
-    const state = getState();
-    const { scopes } = getFeatures(state.instance);
+    const scopes = getScopes(getState());
 
     const params = {
       client_name:   sourceCode.displayName,
@@ -29,8 +28,7 @@ export const prepareRequest = (provider: string) => {
   return async(dispatch: AppDispatch, getState: () => RootState) => {
     const baseURL = isURL(BuildConfig.BACKEND_URL) ? BuildConfig.BACKEND_URL : '';
 
-    const state = getState();
-    const { scopes } = getFeatures(state.instance);
+    const scopes = getScopes(getState());
     const app = await dispatch(createProviderApp());
     const { client_id, redirect_uri } = app;
 
diff --git a/app/soapbox/actions/external-auth.ts b/app/soapbox/actions/external-auth.ts
index 064e100c9..bf0618395 100644
--- a/app/soapbox/actions/external-auth.ts
+++ b/app/soapbox/actions/external-auth.ts
@@ -15,10 +15,11 @@ import sourceCode from 'soapbox/utils/code';
 import { getWalletAndSign } from 'soapbox/utils/ethereum';
 import { getFeatures } from 'soapbox/utils/features';
 import { getQuirks } from 'soapbox/utils/quirks';
+import { getScopes } from 'soapbox/utils/scopes';
 
 import { baseClient } from '../api';
 
-import type { AppDispatch } from 'soapbox/store';
+import type { AppDispatch, RootState } from 'soapbox/store';
 import type { Instance } from 'soapbox/types/entities';
 
 const fetchExternalInstance = (baseURL?: string) => {
@@ -37,25 +38,23 @@ const fetchExternalInstance = (baseURL?: string) => {
 };
 
 const createExternalApp = (instance: Instance, baseURL?: string) =>
-  (dispatch: AppDispatch) => {
+  (dispatch: AppDispatch, getState: () => RootState) => {
     // Mitra: skip creating the auth app
     if (getQuirks(instance).noApps) return new Promise(f => f({}));
 
-    const { scopes } = getFeatures(instance);
-
     const params = {
-      client_name:   sourceCode.displayName,
+      client_name: sourceCode.displayName,
       redirect_uris: `${window.location.origin}/login/external`,
-      website:       sourceCode.homepage,
-      scopes,
+      website: sourceCode.homepage,
+      scopes: getScopes(getState()),
     };
 
     return dispatch(createApp(params, baseURL));
   };
 
 const externalAuthorize = (instance: Instance, baseURL: string) =>
-  (dispatch: AppDispatch) => {
-    const { scopes } = getFeatures(instance);
+  (dispatch: AppDispatch, getState: () => RootState) => {
+    const scopes = getScopes(getState());
 
     return dispatch(createExternalApp(instance, baseURL)).then((app) => {
       const { client_id, redirect_uri } = app as Record<string, string>;
@@ -76,7 +75,7 @@ const externalAuthorize = (instance: Instance, baseURL: string) =>
   };
 
 const externalEthereumLogin = (instance: Instance, baseURL?: string) =>
-  (dispatch: AppDispatch) => {
+  (dispatch: AppDispatch, getState: () => RootState) => {
     const loginMessage = instance.login_message;
 
     return getWalletAndSign(loginMessage).then(({ wallet, signature }) => {
@@ -89,7 +88,7 @@ const externalEthereumLogin = (instance: Instance, baseURL?: string) =>
           client_secret: client_secret,
           password: signature as string,
           redirect_uri: 'urn:ietf:wg:oauth:2.0:oob',
-          scope: getFeatures(instance).scopes,
+          scope: getScopes(getState()),
         };
 
         return dispatch(obtainOAuthToken(params, baseURL))
diff --git a/app/soapbox/utils/features.ts b/app/soapbox/utils/features.ts
index e59cdfff3..6d1ce4749 100644
--- a/app/soapbox/utils/features.ts
+++ b/app/soapbox/utils/features.ts
@@ -666,13 +666,6 @@ const getInstanceFeatures = (instance: Instance) => {
       v.software === PLEROMA,
     ]),
 
-    /**
-     * List of OAuth scopes supported by both Soapbox and the backend.
-     * @see POST /api/v1/apps
-     * @see POST /oauth/token
-     */
-    scopes: v.software === PLEROMA ? 'read write follow push admin' : 'read write follow push',
-
     /**
      * Ability to search statuses from the given account.
      * @see {@link https://docs.joinmastodon.org/methods/search/}
diff --git a/app/soapbox/utils/scopes.ts b/app/soapbox/utils/scopes.ts
new file mode 100644
index 000000000..32c5ef04f
--- /dev/null
+++ b/app/soapbox/utils/scopes.ts
@@ -0,0 +1,23 @@
+import { RootState } from 'soapbox/store';
+
+import { PLEROMA, parseVersion } from './features';
+
+/**
+ * Get the OAuth scopes to use for login & signup.
+ * Mastodon will refuse scopes it doesn't know, so care is needed.
+ */
+const getScopes = (state: RootState) => {
+  const instance = state.instance;
+  const v = parseVersion(instance.version);
+
+  switch (v.software) {
+    case PLEROMA:
+      return 'read write follow push admin';
+    default:
+      return 'read write follow push';
+  }
+};
+
+export {
+  getScopes,
+};
\ No newline at end of file