diff --git a/SourceSVN/SourceSVN.php b/SourceSVN/SourceSVN.php
index 3e43c33..cecaa1e 100644
--- a/SourceSVN/SourceSVN.php
+++ b/SourceSVN/SourceSVN.php
@@ -214,7 +214,7 @@
 
 		$t_max_query = "SELECT revision FROM $t_changeset_table
 						WHERE repo_id=" . db_param() . '
-						ORDER BY timestamp DESC';
+						ORDER BY CAST( revision AS DECIMAL ) DESC';
 		$t_db_revision = db_result( db_query_bound( $t_max_query, array( $p_repo->id ), 1 ) );
 
 		$t_url = $p_repo->url;