diff --git a/app/javascript/mastodon/components/media_gallery.js b/app/javascript/mastodon/components/media_gallery.js
index 4f2814a3a..1d2cbdaa3 100644
--- a/app/javascript/mastodon/components/media_gallery.js
+++ b/app/javascript/mastodon/components/media_gallery.js
@@ -171,7 +171,7 @@ class Item extends React.PureComponent {
           target='_blank'
           rel='noopener noreferrer'
         >
-          { !attachment.get('description') && <IconButton className='media-gallery__item-no-alt' title={this.props.noDescriptionTitle} icon='exclamation-triangle' overlay /> }
+          { !attachment.get('description') && <IconButton className='media-gallery__item-no-description media__no-description-icon' title={this.props.noDescriptionTitle} icon='exclamation-triangle' overlay /> }
           <img
             src={previewUrl}
             srcSet={srcSet}
diff --git a/app/javascript/mastodon/features/audio/index.js b/app/javascript/mastodon/features/audio/index.js
index 9da6e8463..610426588 100644
--- a/app/javascript/mastodon/features/audio/index.js
+++ b/app/javascript/mastodon/features/audio/index.js
@@ -556,7 +556,7 @@ class Audio extends React.PureComponent {
             </div>
 
             <div className='video-player__buttons right'>
-              {!alt && <button type='button' title={intl.formatMessage(messages.no_descriptive_text)} aria-label={intl.formatMessage(messages.no_descriptive_text)} className='player-button no-action' ><Icon id='exclamation-triangle' fixedWidth /></button>}
+              {!alt && <button type='button' title={intl.formatMessage(messages.no_descriptive_text)} aria-label={intl.formatMessage(messages.no_descriptive_text)} className='player-button no-action media__no-description-icon' ><Icon id='exclamation-triangle' fixedWidth /></button>}
               {!editable && <button type='button' title={intl.formatMessage(messages.hide)} aria-label={intl.formatMessage(messages.hide)} className='player-button' onClick={this.toggleReveal}><Icon id='eye-slash' fixedWidth /></button>}
               <a title={intl.formatMessage(messages.download)} aria-label={intl.formatMessage(messages.download)} className='video-player__download__icon player-button' href={this.props.src} download>
                 <Icon id={'download'} fixedWidth />
diff --git a/app/javascript/mastodon/features/video/index.js b/app/javascript/mastodon/features/video/index.js
index 28646f830..c6b46493a 100644
--- a/app/javascript/mastodon/features/video/index.js
+++ b/app/javascript/mastodon/features/video/index.js
@@ -641,7 +641,7 @@ class Video extends React.PureComponent {
             </div>
 
             <div className='video-player__buttons right'>
-              {!alt && <button type='button' title={intl.formatMessage(messages.no_descriptive_text)} aria-label={intl.formatMessage(messages.no_descriptive_text)} className='player-button no-action' ><Icon id='exclamation-triangle' fixedWidth /></button>}
+              {!alt && <button type='button' title={intl.formatMessage(messages.no_descriptive_text)} aria-label={intl.formatMessage(messages.no_descriptive_text)} className='player-button no-action media__no-description-icon' ><Icon id='exclamation-triangle' fixedWidth /></button>}
               {(!onCloseVideo && !editable && !fullscreen && !this.props.alwaysVisible) && <button type='button' title={intl.formatMessage(messages.hide)} aria-label={intl.formatMessage(messages.hide)} className='player-button' onClick={this.toggleReveal}><Icon id='eye-slash' fixedWidth /></button>}
               {(!fullscreen && onOpenVideo) && <button type='button' title={intl.formatMessage(messages.expand)} aria-label={intl.formatMessage(messages.expand)} className='player-button' onClick={this.handleOpenVideo}><Icon id='expand' fixedWidth /></button>}
               {onCloseVideo && <button type='button' title={intl.formatMessage(messages.close)} aria-label={intl.formatMessage(messages.close)} className='player-button' onClick={this.handleCloseVideo}><Icon id='compress' fixedWidth /></button>}
diff --git a/app/javascript/styles/mastodon/components.scss b/app/javascript/styles/mastodon/components.scss
index 1011d8040..7b668946c 100644
--- a/app/javascript/styles/mastodon/components.scss
+++ b/app/javascript/styles/mastodon/components.scss
@@ -6020,7 +6020,7 @@ a.status-card.compact:hover {
   }
 }
 
-.media-gallery__item-no-alt {
+.media-gallery__item-no-description {
   position: absolute;
   bottom: 4px;
   left: 4px;