diff --git a/modules/system/assets/ui/less/tab.less b/modules/system/assets/ui/less/tab.less
index 90fae3ee6..1be5efeac 100644
--- a/modules/system/assets/ui/less/tab.less
+++ b/modules/system/assets/ui/less/tab.less
@@ -250,7 +250,7 @@
                 position: absolute;
                 bottom: 0;
                 height: 1px;
-                width: 100%;
+                width: 100vw;
                 z-index: @zindex-tab - 1;
                 content: ' ';
                 border-bottom: 2px solid @color-tab-active-border;
diff --git a/modules/system/assets/ui/storm.css b/modules/system/assets/ui/storm.css
index 1f4bfdad9..600318f19 100644
--- a/modules/system/assets/ui/storm.css
+++ b/modules/system/assets/ui/storm.css
@@ -2872,7 +2872,7 @@ body.compact-container .control-breadcrumb {margin-top:0;margin-left:0;margin-ri
 .control-tabs.primary-tabs >div >div >ul.nav-tabs {position:relative;margin-left:0;margin-right:0}
 .control-tabs.primary-tabs >ul.nav-tabs:before,
 .control-tabs.primary-tabs >div >ul.nav-tabs:before,
-.control-tabs.primary-tabs >div >div >ul.nav-tabs:before {position:absolute;bottom:0;height:1px;width:100%;z-index:9;content:' ';border-bottom:2px solid #d0d0d0}
+.control-tabs.primary-tabs >div >div >ul.nav-tabs:before {position:absolute;bottom:0;height:1px;width:100vw;z-index:9;content:' ';border-bottom:2px solid #d0d0d0}
 .control-tabs.primary-tabs >ul.nav-tabs >li,
 .control-tabs.primary-tabs >div >ul.nav-tabs >li,
 .control-tabs.primary-tabs >div >div >ul.nav-tabs >li {padding-right:0;padding-left:0;margin-left:0;margin-right:-20px;background:transparent}