diff --git a/src/components/TopNavHeader/index.js b/src/components/TopNavHeader/index.js
index e20b17ef..9a8960a7 100644
--- a/src/components/TopNavHeader/index.js
+++ b/src/components/TopNavHeader/index.js
@@ -9,13 +9,13 @@ export default class TopNavHeader extends PureComponent {
     super(props);
 
     this.state = {
-      maxWidth: (props.contentWidth === 'Fixed' ? 1200 : window.innerWidth) - 330 - 165 - 4 - 26,
+      maxWidth: (props.contentWidth === 'Fixed' ? 1200 : window.innerWidth) - 330 - 165 - 4 - 36,
     };
   }
 
   static getDerivedStateFromProps(props) {
     return {
-      maxWidth: (props.contentWidth === 'Fixed' ? 1200 : window.innerWidth) - 330 - 165 - 4,
+      maxWidth: (props.contentWidth === 'Fixed' ? 1200 : window.innerWidth) - 330 - 165 - 4 - 36,
     };
   }