diff --git a/contao/dca/tl_recommendation.php b/contao/dca/tl_recommendation.php
index f3efb50..e91cbf1 100644
--- a/contao/dca/tl_recommendation.php
+++ b/contao/dca/tl_recommendation.php
@@ -177,7 +177,7 @@
             'load_callback' => [
                 [RecommendationListener::class, 'loadTime']
             ],
-            'sql'                     => "int(10) unsigned NOT NULL default 0"
+            'sql'                     => "int(10) NOT NULL default 0"
         ],
         'teaser' => [
             'exclude'                 => true,