diff --git a/app/javascript/mastodon/features/compose/components/search.js b/app/javascript/mastodon/features/compose/components/search.js
index 03e6dcf2c..8254fb607 100644
--- a/app/javascript/mastodon/features/compose/components/search.js
+++ b/app/javascript/mastodon/features/compose/components/search.js
@@ -140,8 +140,7 @@ class Search extends React.PureComponent {
           <Icon id='search' className={hasValue ? '' : 'active'} />
           <Icon id='times-circle' className={hasValue ? 'active' : ''} aria-label={intl.formatMessage(messages.placeholder)} />
         </div>
-
-        <Overlay show={expanded && !hasValue} placement='bottom' target={this}>
+        <Overlay show={expanded && !hasValue} placement='bottom' target={this} container={this}>
           <SearchPopout />
         </Overlay>
       </div>