diff --git a/themes/futaba/themelet.class.php b/themes/futaba/themelet.class.php
index 00ad522e..47ac669a 100644
--- a/themes/futaba/themelet.class.php
+++ b/themes/futaba/themelet.class.php
@@ -56,7 +56,7 @@ class Themelet extends BaseThemelet
 
         $pages = [];
         foreach (range($start, $end) as $i) {
-            $pages[] = $this->futaba_gen_page_link_block($base_url, $query, $i, $current_page, $i);
+            $pages[] = $this->futaba_gen_page_link_block($base_url, $query, $i, $current_page, (string)$i);
         }
         $pages_html = implode(" ", $pages);