diff --git a/php/src/db/CapacitorStorage.php b/php/src/db/CapacitorStorage.php
index a58349a..542673e 100644
--- a/php/src/db/CapacitorStorage.php
+++ b/php/src/db/CapacitorStorage.php
@@ -40,7 +40,7 @@ abstract class CapacitorStorage {
   const SERDATA_DEFINITION = "mediumtext";
   const SERSUM_DEFINITION = "varchar(40)";
   const SERTS_DEFINITION = "datetime";
-  const GENSERIAL_DEFINITION = "integer primary key autoincrement";
+  const GENSERIAL_DEFINITION = "integer primary key auto_increment";
   const GENLIC_DEFINITION = "varchar(80)";
   const GENLIB_DEFINITION = "varchar(255)";
   const GENTEXT_DEFINITION = "mediumtext";
diff --git a/php/src/db/sqlite/SqliteStorage.php b/php/src/db/sqlite/SqliteStorage.php
index 5b2aea8..d37b9d1 100644
--- a/php/src/db/sqlite/SqliteStorage.php
+++ b/php/src/db/sqlite/SqliteStorage.php
@@ -9,6 +9,8 @@ use nulib\db\CapacitorStorage;
  * Class SqliteStorage
  */
 class SqliteStorage extends CapacitorStorage {
+  const GENSERIAL_DEFINITION = "integer primary key autoincrement";
+
   function __construct($sqlite) {
     $this->db = Sqlite::with($sqlite);
   }