diff --git a/CRM/Core/CodeGen/Specification.php b/CRM/Core/CodeGen/Specification.php
index 4d476550a432..f2300887972b 100644
--- a/CRM/Core/CodeGen/Specification.php
+++ b/CRM/Core/CodeGen/Specification.php
@@ -514,7 +514,7 @@ public function getPrimaryKey(&$primaryXML, &$fields, &$table) {
     if (isset($fields[$name])) {
       $fields[$name]['autoincrement'] = $auto;
     }
-    $fields[$name]['autoincrement'] = $auto;
+
     $primaryKey = [
       'name' => $name,
       'autoincrement' => $auto,