diff --git a/app/javascript/flavours/glitch/containers/media_container.jsx b/app/javascript/flavours/glitch/containers/media_container.jsx
index 37b5484e6..f245e2f0a 100644
--- a/app/javascript/flavours/glitch/containers/media_container.jsx
+++ b/app/javascript/flavours/glitch/containers/media_container.jsx
@@ -54,7 +54,7 @@ export default class MediaContainer extends PureComponent {
 
   handleCloseMedia = () => {
     document.body.classList.remove('with-modals--active');
-    document.documentElement.style.marginRight = 0;
+    document.documentElement.style.marginRight = '0';
 
     this.setState({
       media: null,
diff --git a/app/javascript/flavours/glitch/features/ui/components/modal_root.jsx b/app/javascript/flavours/glitch/features/ui/components/modal_root.jsx
index d04a2d53a..c133f2b6a 100644
--- a/app/javascript/flavours/glitch/features/ui/components/modal_root.jsx
+++ b/app/javascript/flavours/glitch/features/ui/components/modal_root.jsx
@@ -81,7 +81,7 @@ export default class ModalRoot extends React.PureComponent {
       document.documentElement.style.marginRight = `${getScrollbarWidth()}px`;
     } else {
       document.body.classList.remove('with-modals--active');
-      document.documentElement.style.marginRight = 0;
+      document.documentElement.style.marginRight = '0';
     }
   }