diff --git a/libraries/src/Helper/TagsHelper.php b/libraries/src/Helper/TagsHelper.php
index 56f7ded3b7a9..fb8a36912be9 100644
--- a/libraries/src/Helper/TagsHelper.php
+++ b/libraries/src/Helper/TagsHelper.php
@@ -825,9 +825,11 @@ public static function getTypes($arrayType = 'objectList', $selectTypes = null,
      *
      * @deprecated  5.3 will be removed in 7.0
      */
-    public function postStoreProcess(TableInterface $table, $newTags = [], $replace = true)
+    public function postStoreProcess(TableInterface $table, $newTags = [], $replace = true): void
     {
-        $this->postStore($table, $newTags, $replace);
+        @trigger_error('7.0 Method postStoreProcess() is deprecated, use postStore() instead.', \E_USER_DEPRECATED);
+
+        $this->postStore($table, (array) $newTags, (bool) $replace);
     }
 
     /**
@@ -843,7 +845,7 @@ public function postStoreProcess(TableInterface $table, $newTags = [], $replace
      *
      * @since   __DEPLOY_VERSION__
      */
-    public function postStore(TableInterface $table, $newTags = [], $replace = true, $remove = false)
+    public function postStore(TableInterface $table, array $newTags = [], bool $replace = true, bool $remove = false): bool
     {
         if (!empty($table->newTags) && empty($newTags)) {
             $newTags = $table->newTags;