diff --git a/app/controllers/resources/room_request.php b/app/controllers/resources/room_request.php
index 2b25b7f9d6efb1f512cfb0e2aa6b8878a5595c16..0592b119cf2745d564382db814c0188d9221ec51 100644
--- a/app/controllers/resources/room_request.php
+++ b/app/controllers/resources/room_request.php
@@ -380,13 +380,15 @@ class Resources_RoomRequestController extends AuthenticatedController
     protected function getRoomAvailability(Room $room, $time_intervals = [])
     {
         $availability = [];
+
         foreach ($time_intervals as $interval) {
             $begin = new DateTime();
             $end = new DateTime();
             $begin->setTimestamp($interval['begin']);
             $end->setTimestamp($interval['end']);
-            $availability[] = $room->isAvailable($begin, $end);
+            $availability[] = $room->isAvailable($begin, $end, [$interval['booking_id']]);
         }
+
         return $availability;
     }
 
diff --git a/app/views/resources/room_request/resolve_room_tr.php b/app/views/resources/room_request/resolve_room_tr.php
index edac4b509a5c6d03fe6dd8b3ec0537c577dcde0b..83b6ae7cacb3e8de548216cfa22ab1523ba58167 100644
--- a/app/views/resources/room_request/resolve_room_tr.php
+++ b/app/views/resources/room_request/resolve_room_tr.php
@@ -55,6 +55,20 @@
                              ? 'checked="checked"'
                              : ''?>>
                     <?= Icon::create('check-circle', Icon::ROLE_STATUS_GREEN)->asImg(['class' => 'text-bottom']) ?>
+
+                    <? $stats = 0; array_walk($data['intervals'], function(&$item, $key, $room_id) use (&$stats) {
+                            if ($item['booked_room'] == $room_id) {
+                                $stats++;
+                            }
+                    }, $room->id) ?>
+
+                    <? if ($stats > 0) : ?>
+                        <?= tooltipIcon(sprintf(
+                            _('%s von %s Terminen sind in diesem Raum'),
+                            $stats, sizeof($data['intervals'])
+                        ));
+                        ?>
+                    <? endif ?>
                 <? else: ?>
                     <input type="radio" name="<?= htmlReady($room_radio_name) ?>"
                            value="1" disabled="disabled"
diff --git a/lib/models/resources/ResourceRequest.class.php b/lib/models/resources/ResourceRequest.class.php
index d7435c8cde8129e3b9f40935b4b5b9ea47a68241..b65e39ca3d07a793336c278efc65e711736f1efe 100644
--- a/lib/models/resources/ResourceRequest.class.php
+++ b/lib/models/resources/ResourceRequest.class.php
@@ -926,9 +926,12 @@ class ResourceRequest extends SimpleORMap implements PrivacyObject, Studip\Calen
                         'end'   => $appointment->appointment->end_time
                     ];
                 }
+
+                $date = CourseDate::find($appointment->appointment_id);
                 $interval['range']                 = 'CourseDate';
                 $interval['range_id']              = $appointment->appointment_id;
-                $interval['booked_room']           = CourseDate::find($appointment->appointment_id)->room_booking->resource_id;
+                $interval['booked_room']           = $date->room_booking->resource_id;
+                $interval['booking_id']            = $date->room_booking->id;
                 $time_intervals['']['intervals'][] = $interval;
             }
 
@@ -949,9 +952,12 @@ class ResourceRequest extends SimpleORMap implements PrivacyObject, Studip\Calen
                     'end'   => $this->date->end_time
                 ];
             }
+
+            $date = CourseDate::find($this->termin_id);
             $interval['range']       = 'CourseDate';
             $interval['range_id']    = $this->termin_id;
-            $interval['booked_room'] = CourseDate::find($this->termin_id)->room_booking->resource_id;
+            $interval['booked_room'] = $date->room_booking->resource_id;
+            $interval['booking_id']  = $date->room_booking->id;
 
             if (!empty($interval)) {
                 return [
@@ -985,6 +991,7 @@ class ResourceRequest extends SimpleORMap implements PrivacyObject, Studip\Calen
                 $interval['range']                                 = 'CourseDate';
                 $interval['range_id']                              = $date->id;
                 $interval['booked_room']                           = $date->room_booking->resource_id;
+                $interval['booking_id']                            = $date->room_booking->id;
                 $time_intervals[$this->metadate_id]['intervals'][] = $interval;
             }
             return $time_intervals;
@@ -1012,6 +1019,7 @@ class ResourceRequest extends SimpleORMap implements PrivacyObject, Studip\Calen
                             $interval['range']                         = 'CourseDate';
                             $interval['range_id']                      = $date->id;
                             $interval['booked_room']                   = $date->room_booking->resource_id;
+                            $interval['booking_id']                    = $date->room_booking->id;
                             $time_intervals[$cycle->id]['intervals'][] = $interval;
                         }
                     }