diff --git a/src/Middleware/LSCacheMiddleware.php b/src/Middleware/LSCacheMiddleware.php
index 6b134a0..bcd15ce 100644
--- a/src/Middleware/LSCacheMiddleware.php
+++ b/src/Middleware/LSCacheMiddleware.php
@@ -50,12 +50,12 @@ public function process(ServerRequestInterface $request, RequestHandlerInterface
         //Guest only cache for now
         $user = RequestUtil::getActor($request);
         if ($user->isGuest()) {
-            array_push($lscacheParams, 'public');
+            $lscacheParams[] = 'public';
 
             $publicTTL = $this->settings->get('acpl-lscache.public_cache_ttl') ?: 300;
-            array_push($lscacheParams, "max-age=$publicTTL");
+            $lscacheParams[] = "max-age=$publicTTL";
         } else {
-            array_push($lscacheParams, 'no-cache');
+            $lscacheParams[] = 'no-cache';
         }
 
         //TODO user group cache vary https://docs.litespeedtech.com/lscache/devguide/#cache-vary
diff --git a/src/Middleware/LSCachePurgeMiddleware.php b/src/Middleware/LSCachePurgeMiddleware.php
index 61d5a0c..4910554 100644
--- a/src/Middleware/LSCachePurgeMiddleware.php
+++ b/src/Middleware/LSCachePurgeMiddleware.php
@@ -87,11 +87,11 @@ public function process(ServerRequestInterface $request, RequestHandlerInterface
 
             // discussions.index is handled earlier
             if (!$isDiscussion) {
-                array_push($purgeParams, "tag=$rootRouteName.index");
+                $purgeParams[] = "tag=$rootRouteName.index";
             }
 
             if (!empty($params) && !empty($params['id'])) {
-                array_push($purgeParams, "tag=$rootRouteName{$params['id']}");
+                $purgeParams[] = "tag=$rootRouteName{$params['id']}";
             }
         }