diff --git a/Classes/EventListener/CalendarizeOdsOsmSqlListener.php b/Classes/EventListener/CalendarizeOdsOsmSqlListener.php
new file mode 100644
index 0000000..509f439
--- /dev/null
+++ b/Classes/EventListener/CalendarizeOdsOsmSqlListener.php
@@ -0,0 +1,39 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Bobosch\OdsOsm\EventListener;
+
+use HDNET\Calendarize\Register;
+use TYPO3\CMS\Core\Database\Event\AlterTableDefinitionStatementsEvent;
+use TYPO3\CMS\Core\Utility\ExtensionManagementUtility;
+
+class CalendarizeOdsOsmSqlListener
+{
+    public function __invoke(AlterTableDefinitionStatementsEvent $event): void
+    {
+        if (ExtensionManagementUtility::isLoaded('calendarize')) {
+            $event->addSqlData($this->getCalendarizeDatabaseString());
+        }
+    }
+
+    /**
+     * Get the calendarize string for the registered tables.
+     *
+     * @return string
+     */
+    protected function getCalendarizeDatabaseString()
+    {
+        $sql = [];
+        foreach (Register::getRegister() as $configuration) {
+            if ($configuration['tableName'] == 'tx_calendarize_domain_model_event') {
+                $sql[] = "CREATE TABLE " . $configuration['tableName'] . " (
+                    tx_odsosm_lon decimal(9,6) NOT NULL DEFAULT '0.000000',
+                    tx_odsosm_lat decimal(8,6) NOT NULL DEFAULT '0.000000',
+                );";
+            }
+        }
+
+        return implode(LF, $sql);
+    }
+}
diff --git a/Configuration/Services.yaml b/Configuration/Services.yaml
new file mode 100644
index 0000000..9cce97c
--- /dev/null
+++ b/Configuration/Services.yaml
@@ -0,0 +1,16 @@
+# PSR-14 EventListener for eventExtendedMultiple() in CalendarController
+services:
+  _defaults:
+    autowire: true
+    autoconfigure: true
+    public: false
+
+  Bobosch\OdsOsm\:
+    resource: '../Classes/*'
+
+  Bobosch\OdsOsm\EventListener\CalendarizeOdsOsmSqlListener:
+    tags:
+      - name: event.listener
+        identifier: 'calendarizeOdsOsmSql'
+        event: TYPO3\CMS\Core\Database\Event\AlterTableDefinitionStatementsEvent
+        after: 'calendarizeField'
diff --git a/ext_tables.sql b/ext_tables.sql
index 6592ef6..cc5918d 100644
--- a/ext_tables.sql
+++ b/ext_tables.sql
@@ -20,14 +20,6 @@ CREATE TABLE sys_category (
 	tx_odsosm_marker int(10) unsigned NOT NULL DEFAULT '0'
 );
 
---
--- Table structure for table 'tx_calendarize_domain_model_event'
---
-CREATE TABLE tx_calendarize_domain_model_event (
-	tx_odsosm_lon decimal(9,6) NOT NULL DEFAULT '0.000000',
-	tx_odsosm_lat decimal(8,6) NOT NULL DEFAULT '0.000000'
-);
-
 --
 -- Table structure for table 'tx_odsosm_geocache'
 --