diff --git a/rs.rkt b/rs.rkt
index 03a8462..38ecfdd 100644
--- a/rs.rkt
+++ b/rs.rkt
@@ -103,8 +103,8 @@
   (for/hash ([(a triple) (in-hash ht)])
     (values a (str-triple->reaction triple))))
 
-;;; Chains ht-str-triples->rs with unorg.
-(define-syntax-rule (unorg-rs str) (ht-str-triples->rs (unorg str)))
+;;; Chains ht-str-triples->rs with read-org-variable-mapping.
+(define-syntax-rule (unorg-rs str) (ht-str-triples->rs (read-org-variable-mapping str)))
 
 ;;; Reads a context sequence from an Org sexp corresponding to a list.
 (define (read-context-sequence str)