diff --git a/lib/db.php b/lib/db.php
index 28923e48f0c2d79e5b6b6f531c2219e49759dbfe..edbc2fe13edbca62aea008fdb12abd232b4052b7 100644
--- a/lib/db.php
+++ b/lib/db.php
@@ -497,6 +497,9 @@ class OC_DB {
 			$definition['name']=OC_Config::getValue( "dbuser", $oldname );
 		}
 
+		// we should never drop a database
+		$definition['overwrite'] = false;
+
 		$ret=self::$schema->createDatabase( $definition );
 
 		// Die in case something went wrong