diff --git a/resources/views/DatabasePanel/panel.php b/resources/views/DatabasePanel/panel.php
index d6c08eb..0dcded6 100644
--- a/resources/views/DatabasePanel/panel.php
+++ b/resources/views/DatabasePanel/panel.php
@@ -50,7 +50,7 @@
                             <table class="tracy-collapsed Laravel-DatabasePanel-explain">
                                 <tr>
                                     <?php foreach ($query['explains'][0] as $col => $value): ?>
-                                        <th><?php echo htmlspecialchars($col, ENT_NOQUOTES, 'UTF-8') ?></th>
+                                        <th><?php echo htmlspecialchars((string) $col, ENT_NOQUOTES, 'UTF-8') ?></th>
                                     <?php endforeach ?>
                                 </tr>
                                 <?php foreach ($query['explains'] as $row): ?>
diff --git a/src/Panels/Helper.php b/src/Panels/Helper.php
index 7b418d9..2627340 100644
--- a/src/Panels/Helper.php
+++ b/src/Panels/Helper.php
@@ -86,7 +86,7 @@ public static function highlight($sql, array $bindings = [], PDO $pdo = null)
                 return htmlspecialchars('\''.$binding->format('Y-m-d H:i:s').'\'', ENT_NOQUOTES, 'UTF-8');
             }
 
-            return htmlspecialchars($binding, ENT_NOQUOTES, 'UTF-8');
+            return htmlspecialchars((string) $binding, ENT_NOQUOTES, 'UTF-8');
         }, $bindings);
         $sql = str_replace(['%', '?'], ['%%', '%s'], $sql);