autoload/handlers.vim | 2 +-

diff --git a/autoload/handlers.vim b/autoload/handlers.vim
index 7d3e210d872543a571d26fe076fb50b051260f09..6965569b1660f9a54c49a7da5ffd0d99cb2a8db8 100644
--- a/autoload/handlers.vim
+++ b/autoload/handlers.vim
@@ -104,7 +104,7 @@       startcol = text->stridx(label)
     endif
   endif
   var popupID = text->popup_atcursor({})
-  prop_type_add('signature', {bufnr: popupID->winbufnr(), highlight: 'Title'})
+  prop_type_add('signature', {bufnr: popupID->winbufnr(), highlight: 'LineNr'})
   if hllen > 0
     prop_add(1, startcol + 1, {bufnr: popupID->winbufnr(), length: hllen, type: 'signature'})
   endif