diff --git a/resources/skins.vector.styles/EmphasizedSidebarAction.less b/resources/skins.vector.styles/EmphasizedSidebarAction.less
index 6efca5e..44375b4 100644
--- a/resources/skins.vector.styles/EmphasizedSidebarAction.less
+++ b/resources/skins.vector.styles/EmphasizedSidebarAction.less
@@ -3,7 +3,7 @@
 .vector-emphasized-sidebar-action {
 	// Align with the portal heading/links
 	// `.portal` + `.portal .body`
-	margin: 8px 0 8px @margin-start-portal + @margin-start-portal-body;
+	margin: 8px @margin-end-portal 8px @margin-start-portal + @margin-start-portal-body;
 }
 
 .vector-emphasized-sidebar-action-link {
diff --git a/resources/skins.vector.styles/Portal.less b/resources/skins.vector.styles/Portal.less
index 3fe8591..a53a272 100644
--- a/resources/skins.vector.styles/Portal.less
+++ b/resources/skins.vector.styles/Portal.less
@@ -2,7 +2,7 @@
 @import 'mediawiki.mixins.less';
 
 .portal {
-	margin: 0 0.6em  0 @margin-start-portal;
+	margin: 0 @margin-end-portal  0 @margin-start-portal;
 	padding: 0.25em 0;
 	direction: ltr;
 
diff --git a/variables.less b/variables.less
index eb8afa1..608e7d5 100644
--- a/variables.less
+++ b/variables.less
@@ -84,6 +84,10 @@
 // languages).
 @margin-start-portal: 0.7em;
 
+// Margin space from the end of the Portal (right edge in LTR
+// languages).
+@margin-end-portal: 0.6em;
+
 // Margin space from the start of the Portal body (left edge in LTR languages).
 @margin-start-portal-body: @margin-start-nav-main-body;