diff --git a/pumpOpts b/pumpOpts
index 0f53dce9..9f4ffc43 100644
--- a/pumpOpts
+++ b/pumpOpts
@@ -1,2 +1,2 @@
 alias = linux
-regex = ^lts-v(.+)-base-(.+)$
+regex = ^lts-v(.+)-base-([0-9]{6})T([0-9]{4}).+$