diff --git a/plugins/calendar/calendar_ui.js b/plugins/calendar/calendar_ui.js
index 9d08c53c..b24df470 100644
--- a/plugins/calendar/calendar_ui.js
+++ b/plugins/calendar/calendar_ui.js
@@ -534,9 +534,13 @@ function rcube_calendar_ui(settings)
             .html(Q(rcmail.gettext('itip' + mystatus, 'libcalendaring')));
         }
 
-        $('#event-rsvp')[(rsvp && !is_organizer(event) && event.status != 'CANCELLED' ? 'show' : 'hide')]();
+        var show_rsvp = rsvp && !is_organizer(event) && event.status != 'CANCELLED';
+        $('#event-rsvp')[(show_rsvp ? 'show' : 'hide')]();
         $('#event-rsvp .rsvp-buttons input').prop('disabled', false).filter('input[rel='+mystatus+']').prop('disabled', true);
 
+        if (show_rsvp && event.comment)
+          $('#event-rsvp-comment').show().children('.event-text').html(Q(event.comment));
+
         $('#event-rsvp a.reply-comment-toggle').show();
         $('#event-rsvp .itip-reply-comment textarea').hide().val('');
       }
diff --git a/plugins/calendar/localization/en_US.inc b/plugins/calendar/localization/en_US.inc
index 7d1e7d20..d950daa3 100644
--- a/plugins/calendar/localization/en_US.inc
+++ b/plugins/calendar/localization/en_US.inc
@@ -111,6 +111,7 @@ $labels['quickview'] = 'View only this calendar';
 $labels['invitationspending'] = 'Pending invitations';
 $labels['invitationsdeclined'] = 'Declined invitations';
 $labels['changepartstat'] = 'Change participant status';
+$labels['rsvpcomment'] = 'Invitation text';
 
 // agenda view
 $labels['listrange'] = 'Range to display:';
diff --git a/plugins/calendar/skins/larry/calendar.css b/plugins/calendar/skins/larry/calendar.css
index 76b25873..1972dce2 100644
--- a/plugins/calendar/skins/larry/calendar.css
+++ b/plugins/calendar/skins/larry/calendar.css
@@ -717,6 +717,7 @@ a.miniColors-trigger {
 	margin-left: 2em;
 }
 
+.calendarmain .eventdialog #event-rsvp-comment,
 .calendarmain .eventdialog #event-created-changed {
 	margin-top: 0.6em;
 }
diff --git a/plugins/calendar/skins/larry/templates/calendar.html b/plugins/calendar/skins/larry/templates/calendar.html
index 50ad616b..275725cb 100644
--- a/plugins/calendar/skins/larry/templates/calendar.html
+++ b/plugins/calendar/skins/larry/templates/calendar.html
@@ -142,6 +142,10 @@
 		<label><roundcube:label name="calendar.changed" /></label>
 		<span class="event-text event-changed"></span>
 	</div>
+	<div class="event-line" id="event-rsvp-comment">
+		<label><roundcube:label name="calendar.rsvpcomment" /></label>
+		<span class="event-text"></span>
+	</div>
 
 	<roundcube:object name="plugin.event_rsvp_buttons" id="event-rsvp" class="event-dialog-message" style="display:none" />
 </div>
diff --git a/plugins/libcalendaring/libvcalendar.php b/plugins/libcalendaring/libvcalendar.php
index a89cec2b..a45da6e2 100644
--- a/plugins/libcalendaring/libvcalendar.php
+++ b/plugins/libcalendaring/libvcalendar.php
@@ -465,6 +465,7 @@ class libvcalendar implements Iterator
             case 'LOCATION':
             case 'DESCRIPTION':
             case 'URL':
+            case 'COMMENT':
                 $event[strtolower($prop->name)] = self::convert_string($prop);
                 break;
 
@@ -520,10 +521,6 @@ class libvcalendar implements Iterator
                 }
                 break;
 
-            case 'COMMENT':
-                $event['comment'] = $prop->value;
-                break;
-
             default:
                 if (substr($prop->name, 0, 2) == 'X-')
                     $event['x-custom'][] = array($prop->name, strval($prop->value));
diff --git a/plugins/libkolab/lib/kolab_format_xcal.php b/plugins/libkolab/lib/kolab_format_xcal.php
index 7d077b7c..a18557bf 100644
--- a/plugins/libkolab/lib/kolab_format_xcal.php
+++ b/plugins/libkolab/lib/kolab_format_xcal.php
@@ -127,6 +127,10 @@ abstract class kolab_format_xcal extends kolab_format
             'start'       => self::php_datetime($this->obj->start()),
         );
 
+        if (method_exists($this->obj, 'comment')) {
+            $object['comment'] = $this->obj->comment();
+        }
+
         // read organizer and attendees
         if (($organizer = $this->obj->organizer()) && ($organizer->email() || $organizer->name())) {
             $object['organizer'] = array(
@@ -340,6 +344,10 @@ abstract class kolab_format_xcal extends kolab_format
         $this->obj->setCategories(self::array2vector($object['categories']));
         $this->obj->setUrl(strval($object['url']));
 
+        if (method_exists($this->obj, 'setComment')) {
+            $this->obj->setComment($object['comment']);
+        }
+
         // process event attendees
         $attendees = new vectorattendee;
         foreach ((array)$object['attendees'] as $attendee) {