diff --git a/terminus-core/src/components/appRoot.component.scss b/terminus-core/src/components/appRoot.component.scss
index a0f298b8ebce53cf2291e8244e665eefadaf499f..102f2ab972605ffbae14de8f41b890b8309438c3 100644
--- a/terminus-core/src/components/appRoot.component.scss
+++ b/terminus-core/src/components/appRoot.component.scss
@@ -61,8 +61,7 @@ $tab-border-radius: 4px;
         -webkit-app-region: drag;
 
         &.persistent {
-          min-width: 100px;
-          flex: 1 0 25%;
+          min-width: 72px; // 2 x 36 px height, ie 2 squares
         }
     }