diff --git a/UI/WebServerResources/SOGoTabsController.js b/UI/WebServerResources/SOGoTabsController.js
index 4c1d23c58..b523836b3 100644
--- a/UI/WebServerResources/SOGoTabsController.js
+++ b/UI/WebServerResources/SOGoTabsController.js
@@ -144,6 +144,13 @@ SOGoTabsController.prototype = {
             content.addClassName("active");
             this.activeTab.fire("tabs:click", content.id);
 
+            content.select('.tabsContainer').each(function(c) {
+                // When the tab contains an inner tabs container,
+                // show or hide the tabs navigation arrows of this
+                // inner container
+                c.controller.recomputeMinOffset();
+            });
+
             // Prototype alternative
         
             //oldContent.removeClassName("active");
diff --git a/UI/WebServerResources/UIxPreferences.css b/UI/WebServerResources/UIxPreferences.css
index d5978fa35..3dd84e546 100644
--- a/UI/WebServerResources/UIxPreferences.css
+++ b/UI/WebServerResources/UIxPreferences.css
@@ -49,6 +49,9 @@ DIV.listWrapper
   border-left: 1px solid #9b9b9b;
   background: #ccddec;}
 
+.listWrapper TABLE TD
+{ height: 22px; }
+
 #calendarCategoriesListWrapper
 { top: 210px;
   bottom: 30px;
diff --git a/UI/WebServerResources/generic.css b/UI/WebServerResources/generic.css
index ad0214a25..10cba2c16 100644
--- a/UI/WebServerResources/generic.css
+++ b/UI/WebServerResources/generic.css
@@ -72,7 +72,7 @@ TABLE
 TABLE TD
 { padding-left: .5em;
   padding-right: .25em;
-  height: 22px; }
+}
 
 a:link
 { color: #0033CC; }