diff --git a/app/Models/CategoryDAO.php b/app/Models/CategoryDAO.php
index a0eda89e7..c1277751c 100644
--- a/app/Models/CategoryDAO.php
+++ b/app/Models/CategoryDAO.php
@@ -208,7 +208,7 @@ class FreshRSS_CategoryDAO extends Minz_ModelPdo implements FreshRSS_Searchable
 			return $categories;
 		}
 
-		usort($categories, function ($a, $b) {
+		uasort($categories, function ($a, $b) {
 			$aPosition = $a->attributes('position');
 			$bPosition = $b->attributes('position');
 			if ($aPosition === $bPosition) {