diff --git a/themes/atom-dark-ui/tabs.less b/themes/atom-dark-ui/tabs.less
index 63190a52f..ada341ed0 100644
--- a/themes/atom-dark-ui/tabs.less
+++ b/themes/atom-dark-ui/tabs.less
@@ -1,7 +1,7 @@
 @import "ui-variables";
 
 .tab-bar {
-  height: @tab-height + 5px;
+  height: @tab-height + 6px;
   border-bottom: 4px solid @tab-bar-border-color;
   box-shadow: inset 0 -1px 0 rgba(255, 255, 255, 0.2), 0 1px 0 rgba(0, 0, 0, 0.5);
   margin-bottom: 1px;