diff --git a/fetch.kak b/fetch.kak
index 8851ba4..00399fe 100644
--- a/fetch.kak
+++ b/fetch.kak
@@ -1,7 +1,7 @@
 # SPDX-License-Identifier: AGPL-3.0
  
-# trailing colon: :lnum[:colnum[:]]
-hook global WinDisplay (.*?):(\d+)(?::(\d+):?)? %{ evaluate-commands %sh{
+# trailing colon: :lnum[[:]colnum[:]]
+hook global WinDisplay (.*?):(\d+)(?::?(\d+)?(?::?))? %{ evaluate-commands %sh{
     file=$kak_hook_param_capture_1
     line=$kak_hook_param_capture_2
     col=$kak_hook_param_capture_3