diff --git a/ext/blocks/main.php b/ext/blocks/main.php
index fb273459..b4da27da 100644
--- a/ext/blocks/main.php
+++ b/ext/blocks/main.php
@@ -49,7 +49,7 @@ class Blocks extends Extension
         foreach ($blocks as $block) {
             $path = implode("/", $event->args);
             if (strlen($path) < 4000 && fnmatch($block['pages'], $path)) {
-                $b = new Block($block['title'], $block['content'], $block['area'], $block['priority']);
+                $b = new Block($block['title'], $block['content'], $block['area'], (int)$block['priority']);
                 $b->is_content = false;
                 $page->add_block($b);
             }