diff --git a/app/javascript/mastodon/containers/compose_container.js b/app/javascript/mastodon/containers/compose_container.js
index 5ee1d2f141ff6ffcfe30163f50b4fc0f3c0a2f0b..7bc7bbaa4dc29d97fec3bd9e124c2ea312221a2f 100644
--- a/app/javascript/mastodon/containers/compose_container.js
+++ b/app/javascript/mastodon/containers/compose_container.js
@@ -7,6 +7,7 @@ import { IntlProvider, addLocaleData } from 'react-intl';
 import { getLocale } from '../locales';
 import Compose from '../features/standalone/compose';
 import initialState from '../initial_state';
+import { fetchCustomEmojis } from '../actions/custom_emojis';
 
 const { localeData, messages } = getLocale();
 addLocaleData(localeData);
@@ -17,6 +18,8 @@ if (initialState) {
   store.dispatch(hydrateStore(initialState));
 }
 
+store.dispatch(fetchCustomEmojis());
+
 export default class TimelineContainer extends React.PureComponent {
 
   static propTypes = {