diff --git a/res/css/structures/_TabbedView.scss b/res/css/structures/_TabbedView.scss
index 2f448ff4a8..c87b4d053f 100644
--- a/res/css/structures/_TabbedView.scss
+++ b/res/css/structures/_TabbedView.scss
@@ -96,5 +96,4 @@ limitations under the License.
     flex-grow: 1;
     overflow: auto;
     min-height: 0; // firefox
-
 }
\ No newline at end of file
diff --git a/res/css/views/dialogs/_SettingsDialog.scss b/res/css/views/dialogs/_SettingsDialog.scss
index b1a4470b02..68206f32aa 100644
--- a/res/css/views/dialogs/_SettingsDialog.scss
+++ b/res/css/views/dialogs/_SettingsDialog.scss
@@ -29,7 +29,8 @@ limitations under the License.
         }
 
         .mx_TabbedView .mx_SettingsTab {
-            max-width: calc(100% - 130px); // 130px right hand padding
+            box-sizing: border-box;
+            padding-right: 130px;
 
             // Put some padding on the bottom to avoid the settings tab from
             // colliding harshly with the dialog when scrolled down.