diff --git a/web/pages/smart/search.html.php b/web/pages/smart/search.html.php
index db847c7..cc74bf8 100644
--- a/web/pages/smart/search.html.php
+++ b/web/pages/smart/search.html.php
@@ -8,14 +8,15 @@
 
 <?php foreach ($dogs as $dog) :
 
+    $dogid=preg_replace("/[^A-Za-z0-9]/", '', $dog);
     $results = $results_dogs[$dog];
     $sdata = [];
 ?>
 
-    <h1 id="<?= $dog; ?>"><?= $dog; ?></h1>
+    <h1 id="<?= $dogid; ?>"><?= $dog; ?></h1>
 
-    <button onClick="getElementById('table_<?= $dog ?>').style.display='table'">Tabelle anzeigen</button>
-    <table id="table_<?= $dog ?>" class="table" style="display:none">
+    <button onClick="getElementById('table_<?= $dogid ?>').style.display='table'">Tabelle anzeigen</button>
+    <table id="table_<?= $dogid ?>" class="table" style="display:none">
         <tr>
             <th>event</th>
             <th>Wann wars</th>
@@ -74,7 +75,7 @@
         <?php if (count($results) > 0) : ?>
             <div class="col">
                 <?= partial('graph.html.php', [
-                    'id' => 'graph1'.$dog,
+                    'id' => 'graph1'.$dogid,
                     'title' => 'Fehler und Verweigerungen',
                     'xaxis' => $sdata['dates'],
                     'seriesdata' => [
@@ -87,7 +88,7 @@
 
             <div class="col">
                 <?= partial('graph.html.php', [
-                    'id' => 'graph2'.$dog,
+                    'id' => 'graph2'.$dogid,
                     'title' => 'Geschwindigkeit',
                     'xaxis' => $sdata['dates'],
                     'seriesdata' => [
@@ -99,7 +100,7 @@
 
             <div class="col">
                 <?= partial('graph.html.php', [
-                    'id' => 'graph3'.$dog,
+                    'id' => 'graph3'.$dogid,
                     'title' => 'Platzierung',
                     'xaxis' => $sdata['dates'],
                     'seriesdata' => [