diff --git a/queries/regex/highlights.scm b/queries/regex/highlights.scm
index 7029aac07..d21d42330 100644
--- a/queries/regex/highlights.scm
+++ b/queries/regex/highlights.scm
@@ -26,4 +26,4 @@
  (non_boundary_assertion)
 ] @string.escape
 
-[ "*" "+" "|" "=" "<=" "!" "<!" ] @operator
+[ "*" "+" "?" "|" "=" "<=" "!" "<!" ] @operator