diff --git a/src/parser/parse-css.js b/src/parser/parse-css.js
index 71cc806..464b75d 100644
--- a/src/parser/parse-css.js
+++ b/src/parser/parse-css.js
@@ -320,7 +320,7 @@ function read_arguments(it, composition, doodle) {
       arg += c;
     }
 
-    if (composition && (it.curr() == ')' || !/[0-9a-zA-Z_\-.]/.test(it.curr())) && !stack.length) {
+    if (composition && (it.curr(1) == ')' || !/[0-9a-zA-Z_\-.]/.test(it.curr())) && !stack.length) {
       if (group.length) {
         args.push(normalize_argument(group));
       }