diff --git a/api/setup/tables_update.inc.php b/api/setup/tables_update.inc.php
index 5c9b0408fc..efc576efe2 100644
--- a/api/setup/tables_update.inc.php
+++ b/api/setup/tables_update.inc.php
@@ -31,6 +31,8 @@ function api_upgrade14_3_907()
 		{
 			$GLOBALS['egw_setup']->oProc->CreateTable($table, $definition);
 		}
+		// only install tables existing in 16.1 (eg. not egw_addressbook_shared from 21.1)
+		if ($table === 'egw_ea_notifications') break;
 	}
 
 	// uninstall no longer existing EMailAdmin
@@ -836,4 +838,4 @@ function api_upgrade21_1_002()
 	Vfs\Sqlfs\Utils::quotaRecalc();
 
 	return $GLOBALS['setup_info']['api']['currentver'] = '21.1.003';
-}
+}
\ No newline at end of file