diff --git a/phpBB/install/install_convert.php b/phpBB/install/install_convert.php
index 6a6f63effb..485b9fb281 100644
--- a/phpBB/install/install_convert.php
+++ b/phpBB/install/install_convert.php
@@ -884,12 +884,15 @@ class install_convert extends module
 				// Thanks MySQL, for silently converting...
 				case 'mysql':
 				case 'mysql4':
-				case 'mysqli':
 					if (version_compare($db->mysql_version, '4.1.3', '>='))
 					{
 						$mysql_convert = true;
 					}
 				break;
+
+				case 'mysqli':
+					$mysql_convert = true;
+				break;
 			}
 
 			while (($counting === -1 || $counting >= $convert->batch_size) && still_on_time())