diff --git a/app/javascript/mastodon/features/account/navigation.js b/app/javascript/mastodon/features/account/navigation.js
index 12267413956819ab7a13dcc6d4ac17cea2a378a8..eb9ff9a95443b7fe8dcda8b0c45c4225d4b6f456 100644
--- a/app/javascript/mastodon/features/account/navigation.js
+++ b/app/javascript/mastodon/features/account/navigation.js
@@ -2,9 +2,10 @@ import React from 'react';
 import PropTypes from 'prop-types';
 import { connect } from 'react-redux';
 import FeaturedTags from 'mastodon/features/account/containers/featured_tags_container';
+import { normalizeForLookup } from 'mastodon/reducers/accounts_map';
 
 const mapStateToProps = (state, { match: { params: { acct } } }) => {
-  const accountId = state.getIn(['accounts_map', acct]);
+  const accountId = state.getIn(['accounts_map', normalizeForLookup(acct)]);
 
   if (!accountId) {
     return {
diff --git a/app/javascript/mastodon/features/account_gallery/index.js b/app/javascript/mastodon/features/account_gallery/index.js
index cc0bfa9baa359e27383b7b970c214429d8487bc5..dc7556a9a5d7c895cc1330b36a0b2621f244ae64 100644
--- a/app/javascript/mastodon/features/account_gallery/index.js
+++ b/app/javascript/mastodon/features/account_gallery/index.js
@@ -16,9 +16,10 @@ import LoadMore from 'mastodon/components/load_more';
 import MissingIndicator from 'mastodon/components/missing_indicator';
 import { openModal } from 'mastodon/actions/modal';
 import { FormattedMessage } from 'react-intl';
+import { normalizeForLookup } from 'mastodon/reducers/accounts_map';
 
 const mapStateToProps = (state, { params: { acct, id } }) => {
-  const accountId = id || state.getIn(['accounts_map', acct]);
+  const accountId = id || state.getIn(['accounts_map', normalizeForLookup(acct)]);
 
   if (!accountId) {
     return {
diff --git a/app/javascript/mastodon/features/followers/index.js b/app/javascript/mastodon/features/followers/index.js
index 5b7f402f8d9f8d4e9f45e5e22c014527055e545f..277eb702fb6338a53696bbfbf45ad1957bfa7959 100644
--- a/app/javascript/mastodon/features/followers/index.js
+++ b/app/javascript/mastodon/features/followers/index.js
@@ -21,9 +21,10 @@ import MissingIndicator from 'mastodon/components/missing_indicator';
 import TimelineHint from 'mastodon/components/timeline_hint';
 import LimitedAccountHint from '../account_timeline/components/limited_account_hint';
 import { getAccountHidden } from 'mastodon/selectors';
+import { normalizeForLookup } from 'mastodon/reducers/accounts_map';
 
 const mapStateToProps = (state, { params: { acct, id } }) => {
-  const accountId = id || state.getIn(['accounts_map', acct]);
+  const accountId = id || state.getIn(['accounts_map', normalizeForLookup(acct)]);
 
   if (!accountId) {
     return {
diff --git a/app/javascript/mastodon/features/following/index.js b/app/javascript/mastodon/features/following/index.js
index 143082d760a0862cf409a6f061dda5816d8f4f1a..e23d9b35cdfd0acea9e79eea361741e0c2899165 100644
--- a/app/javascript/mastodon/features/following/index.js
+++ b/app/javascript/mastodon/features/following/index.js
@@ -21,9 +21,10 @@ import MissingIndicator from 'mastodon/components/missing_indicator';
 import TimelineHint from 'mastodon/components/timeline_hint';
 import LimitedAccountHint from '../account_timeline/components/limited_account_hint';
 import { getAccountHidden } from 'mastodon/selectors';
+import { normalizeForLookup } from 'mastodon/reducers/accounts_map';
 
 const mapStateToProps = (state, { params: { acct, id } }) => {
-  const accountId = id || state.getIn(['accounts_map', acct]);
+  const accountId = id || state.getIn(['accounts_map', normalizeForLookup(acct)]);
 
   if (!accountId) {
     return {