diff --git a/.config/kak/autoload/hump.kak b/.config/kak/autoload/hump.kak
index 15f8ef5c..d2a4d329 100644
--- a/.config/kak/autoload/hump.kak
+++ b/.config/kak/autoload/hump.kak
@@ -1,5 +1,7 @@
 # <https://github.com/delapouite/kakoune-hump>
 
+declare-option regex hump [A-Z]+(?![a-z])|[A-Z][a-z]+|[a-z]+|_[a-zA-Z0-9]+
+
 define-command -hidden select-next-hump %{
   execute-keys h/[A-Z][a-z]+|[A-Z]+|[a-z]+<ret>
 }