diff --git a/lib/less/node/element.js b/lib/less/node/element.js
index e9923c39..9126560b 100644
--- a/lib/less/node/element.js
+++ b/lib/less/node/element.js
@@ -4,7 +4,7 @@ node.Element = function Element(combinator, value) {
     this.value = value.trim();
 };
 node.Element.prototype.toCSS = function () {
-    var css = this.combinator.toCSS() + this.value;
+    var css = (this.combinator ? this.combinator.toCSS() : '') + this.value;
     return css;
 };