diff --git a/app/javascript/flavours/glitch/features/composer/spoiler/index.js b/app/javascript/flavours/glitch/features/composer/spoiler/index.js
index 1c3c962f0..e2f9c7021 100644
--- a/app/javascript/flavours/glitch/features/composer/spoiler/index.js
+++ b/app/javascript/flavours/glitch/features/composer/spoiler/index.js
@@ -87,6 +87,7 @@ export default class ComposerSpoiler extends React.PureComponent {
             type='text'
             value={text}
             ref={handleRefSpoilerText}
+            disabled={hidden}
           />
         </label>
       </div>