diff --git a/templates/dates/seminar_html.php b/templates/dates/seminar_html.php
index e4362cf871e15b9604a5d49acd920e95815482e2..b91079a7b1811f7f8335eb0f96b0d161a46e7182 100644
--- a/templates/dates/seminar_html.php
+++ b/templates/dates/seminar_html.php
@@ -47,17 +47,17 @@ if (!$dates['regular']['turnus_data'] && empty($dates['irregular'])) {
 
     if (isset($dates['irregular']) && is_array($dates['irregular'])) {
         foreach ($dates['irregular'] as $date) {
-            if (!isset($irregular_rooms[$date['resource_id']])) {
-                $irregular_rooms[$date['resource_id']] = 0;
-            }
             $irregular[] = $date;
             $irregular_strings[] = $date['tostring'];
             if ($date['resource_id']) {
+                if (!isset($irregular_rooms[$date['resource_id']])) {
+                    $irregular_rooms[$date['resource_id']] = 0;
+                }
                 $irregular_rooms[$date['resource_id']]++;
             } elseif ($date['raum']) {
                 $temp = '(' . htmlReady($date['raum']) . ')';
                 if (!isset($freetext_rooms[$temp])) {
-                    $irregular_rooms[$temp] = 0;
+                    $freetext_rooms[$temp] = 0;
                 }
                 $freetext_rooms[$temp]++;
             }