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-rw-r--r--app/javascript/mastodon/containers/mastodon.js8
1 files changed, 7 insertions, 1 deletions
diff --git a/app/javascript/mastodon/containers/mastodon.js b/app/javascript/mastodon/containers/mastodon.js
index 542b68282..3ac58cf7c 100644
--- a/app/javascript/mastodon/containers/mastodon.js
+++ b/app/javascript/mastodon/containers/mastodon.js
@@ -12,6 +12,8 @@ import { hydrateStore } from '../actions/store';
 import { connectUserStream } from '../actions/streaming';
 import { IntlProvider, addLocaleData } from 'react-intl';
 import { getLocale } from '../locales';
+import { previewState as previewMediaState } from 'mastodon/features/ui/components/media_modal';
+import { previewState as previewVideoState } from 'mastodon/features/ui/components/video_modal';
 import initialState from '../initial_state';
 import ErrorBoundary from '../components/error_boundary';
 
@@ -35,6 +37,10 @@ class MastodonMount extends React.PureComponent {
     showIntroduction: PropTypes.bool,
   };
 
+  shouldUpdateScroll (_, { location }) {
+    return location.state !== previewMediaState && location.state !== previewVideoState;
+  }
+
   render () {
     const { showIntroduction } = this.props;
 
@@ -44,7 +50,7 @@ class MastodonMount extends React.PureComponent {
 
     return (
       <BrowserRouter basename='/web'>
-        <ScrollContext>
+        <ScrollContext shouldUpdateScroll={this.shouldUpdateScroll}>
           <Route path='/' component={UI} />
         </ScrollContext>
       </BrowserRouter>