diff --git a/plugins/calendar/calendar_ui.js b/plugins/calendar/calendar_ui.js
index a49bed89..3bc82fd1 100644
--- a/plugins/calendar/calendar_ui.js
+++ b/plugins/calendar/calendar_ui.js
@@ -396,6 +396,12 @@ function rcube_calendar_ui(settings)
       if ($dialog.is(':ui-dialog'))
         $dialog.dialog('close');
 
+      // remove status-* classes
+      $dialog.removeClass(function(i, oldclass) {
+          var oldies = String(oldclass).split(' ');
+          return $.grep(oldies, function(cls) { return cls.indexOf('status-') === 0 || cls.indexOf('sensitivity-') === 0 }).join(' ');
+      });
+
       // convert start/end dates if not done yet by fullcalendar
       if (typeof event.start == 'string')
         event.start = parseISO8601(event.start);
diff --git a/plugins/calendar/skins/classic/calendar.css b/plugins/calendar/skins/classic/calendar.css
index 065cb68c..3e789001 100644
--- a/plugins/calendar/skins/classic/calendar.css
+++ b/plugins/calendar/skins/classic/calendar.css
@@ -373,7 +373,7 @@ pre {
 	right: 4px;
 }
 
-div.uidialog {
+.calendarmain div.uidialog {
 	display: none;
 }
 
diff --git a/plugins/calendar/skins/larry/calendar.css b/plugins/calendar/skins/larry/calendar.css
index 737e4b26..76b25873 100644
--- a/plugins/calendar/skins/larry/calendar.css
+++ b/plugins/calendar/skins/larry/calendar.css
@@ -466,7 +466,7 @@ body.calendarmain #searchmenulink {
 	width: 15px;
 }
 
-div.uidialog {
+.calendarmain div.uidialog {
 	display: none;
 }
 
diff --git a/plugins/kolab_notes/skins/larry/notes.css b/plugins/kolab_notes/skins/larry/notes.css
index f59e0f58..282df72e 100644
--- a/plugins/kolab_notes/skins/larry/notes.css
+++ b/plugins/kolab_notes/skins/larry/notes.css
@@ -22,6 +22,10 @@
 	background-position: 0 -26px;
 }
 
+.notesview div.uidialog {
+	display: none;
+}
+
 .notesview #sidebar {
 	position: absolute;
 	top: 0;
diff --git a/plugins/tasklist/skins/larry/tasklist.css b/plugins/tasklist/skins/larry/tasklist.css
index f69931c1..f6271362 100644
--- a/plugins/tasklist/skins/larry/tasklist.css
+++ b/plugins/tasklist/skins/larry/tasklist.css
@@ -26,7 +26,7 @@ ul.toolbarmenu li span.icon.taskadd,
 	background-position: -4px -90px;
 }
 
-div.uidialog {
+.tasklistview div.uidialog {
 	display: none;
 }