diff --git a/system/src/Grav/Common/Assets.php b/system/src/Grav/Common/Assets.php
index 5f5edd73a..d8dd0ae26 100644
--- a/system/src/Grav/Common/Assets.php
+++ b/system/src/Grav/Common/Assets.php
@@ -491,14 +491,14 @@ class Assets
 
         // Sort array by priorities (larger priority first)
         if (self::getGrav()) {
-            usort($this->css, function ($a, $b) {
+            uasort($this->css, function ($a, $b) {
                 if ($a['priority'] == $b['priority']) {
                     return $b['order'] - $a['order'];
                 }
                 return $a['priority'] - $b['priority'];
             });
 
-            usort($this->inline_css, function ($a, $b) {
+            uasort($this->inline_css, function ($a, $b) {
                 if ($a['priority'] == $b['priority']) {
                     return $b['order'] - $a['order'];
                 }
@@ -563,14 +563,14 @@ class Assets
         }
 
         // Sort array by priorities (larger priority first)
-        usort($this->js, function ($a, $b) {
+        uasort($this->js, function ($a, $b) {
             if ($a['priority'] == $b['priority']) {
                 return $b['order'] - $a['order'];
             }
             return $a['priority'] - $b['priority'];
         });
 
-        usort($this->inline_js, function ($a, $b) {
+        uasort($this->inline_js, function ($a, $b) {
             if ($a['priority'] == $b['priority']) {
                 return $b['order'] - $a['order'];
             }