diff --git a/extensions/chromium/runet-censorship-bypass/src/extension-common/pages/options/src/globalCss.js b/extensions/chromium/runet-censorship-bypass/src/extension-common/pages/options/src/globalCss.js
index f99d820..b116b09 100644
--- a/extensions/chromium/runet-censorship-bypass/src/extension-common/pages/options/src/globalCss.js
+++ b/extensions/chromium/runet-censorship-bypass/src/extension-common/pages/options/src/globalCss.js
@@ -12,7 +12,12 @@ export default function append(document, { flags }) {
       --cr-icon-selected: #d7d7d7;
       --cr-popup-border: #bababa;
       --cr-grey-panel: #f2f2f2;
-      ${ flags.ifInsideOptionsPage ? '' : 'max-width: 24em;' }
+      ${ flags.ifInsideOptionsPage
+          // Without this prop on the next line
+          // options page width may be jerking
+          // in size when scrolling is showed.
+          ? 'width: 20em'
+          : 'max-width: 24em;' }
     }
 
     /* BASE ELEMENTS */