diff --git a/lib/less/parser.js b/lib/less/parser.js
index 5b21670f..d24bfc2f 100644
--- a/lib/less/parser.js
+++ b/lib/less/parser.js
@@ -323,7 +323,7 @@ less.parser = {
             var e, t;
 
             c = $(this.combinator);
-            e = $(/[.#:]?[a-zA-Z0-9_-]+/g) || $('*') || $(this.attribute) || $(/\(.*?\)/g);
+            e = $(/[.#:]?[a-zA-Z0-9_-]+/g) || $('*') || $(this.attribute) || $(/\([^)]*\)/g);
 
             if (e) { return new(node.Element)(c, e) }
         },