diff --git a/views_natural_sort.module b/views_natural_sort.module
index 48869d0811b1118fe0311da86e1245cbbac0862b..f79b5edec9bff3353cc47a8662360dc1a4cc4fd2 100644
--- a/views_natural_sort.module
+++ b/views_natural_sort.module
@@ -47,7 +47,7 @@ function views_natural_sort_views_natural_sort_get_entry_types() {
   $entry_types = [];
   foreach ($supported_entity_properties as $entity_type => $properties) {
     foreach ($properties as $property => $schema_info) {
-      $entry_types = new IndexRecordType($entity_type, $property);
+      $entry_types[] = new IndexRecordType($entity_type, $property);
     }
   }
   return $entry_types;