diff --git a/src/components/gui/gui.css b/src/components/gui/gui.css
index 9f9b84743fb3a861f3b0ba2d36fb55e9d25b28be..2de5a096937550a04fdd967becedfbabe2a36fe8 100644
--- a/src/components/gui/gui.css
+++ b/src/components/gui/gui.css
@@ -74,7 +74,7 @@
     z-index: 1;
     color: #40B9F5;
     background-color: #FFFFFF;
-    border-bottom: white 1px solid;
+    border-bottom: $ui-background-blue 1px solid;
 }
 
 .tabs {