diff --git a/app/javascript/mastodon/components/dropdown_menu.js b/app/javascript/mastodon/components/dropdown_menu.js
index 31c02d735..4734e0f3f 100644
--- a/app/javascript/mastodon/components/dropdown_menu.js
+++ b/app/javascript/mastodon/components/dropdown_menu.js
@@ -46,7 +46,7 @@ class DropdownMenu extends React.PureComponent {
     document.addEventListener('keydown', this.handleKeyDown, false);
     document.addEventListener('touchend', this.handleDocumentClick, listenerOptions);
     if (this.focusedItem && this.props.openedViaKeyboard) {
-      this.focusedItem.focus();
+      this.focusedItem.focus({ preventScroll: true });
     }
     this.setState({ mounted: true });
   }
diff --git a/app/javascript/mastodon/features/compose/components/privacy_dropdown.js b/app/javascript/mastodon/features/compose/components/privacy_dropdown.js
index 57588fe96..96028e042 100644
--- a/app/javascript/mastodon/features/compose/components/privacy_dropdown.js
+++ b/app/javascript/mastodon/features/compose/components/privacy_dropdown.js
@@ -100,7 +100,7 @@ class PrivacyDropdownMenu extends React.PureComponent {
   componentDidMount () {
     document.addEventListener('click', this.handleDocumentClick, false);
     document.addEventListener('touchend', this.handleDocumentClick, listenerOptions);
-    if (this.focusedItem) this.focusedItem.focus();
+    if (this.focusedItem) this.focusedItem.focus({ preventScroll: true });
     this.setState({ mounted: true });
   }