diff --git a/src/parsers/command-utils.lisp b/src/parsers/command-utils.lisp
index 5a0073f..4383ab3 100644
--- a/src/parsers/command-utils.lisp
+++ b/src/parsers/command-utils.lisp
@@ -30,7 +30,7 @@
 (defrule ignore-whitespace (* whitespace)
   (:constant nil))
 
-(defrule punct (or #\, #\- #\_)
+(defrule punct (or #\, #\- #\_ #\$ #\%)
   (:text t))
 
 (defrule namestring (and (or #\_ (alpha-char-p character))