diff --git a/src/Query/Builder.php b/src/Query/Builder.php
index e9bd131737..8098ee9740 100644
--- a/src/Query/Builder.php
+++ b/src/Query/Builder.php
@@ -699,7 +699,7 @@ protected function filterTestNotLike($item, $like)
 
     protected function filterTestLikeRegex($item, $pattern)
     {
-        return preg_match("/{$pattern}/im", $item);
+        return preg_match("/{$pattern}/im", (string) $item);
     }
 
     protected function filterTestNotLikeRegex($item, $pattern)