diff --git a/lib/less/parser.js b/lib/less/parser.js
index c72fc64b..4b3efd54 100644
--- a/lib/less/parser.js
+++ b/lib/less/parser.js
@@ -1059,7 +1059,7 @@ less.Parser = function Parser(env) {
             },
 
             mediaFeature: function () {
-                var e, nodes = [];
+                var e, p, nodes = [];
 
                 do {
                     if (e = $(this.entities.keyword)) {
@@ -1101,7 +1101,7 @@ less.Parser = function Parser(env) {
             },
 
             media: function () {
-                var features;
+                var features, rules;
 
                 if ($(/^@media/)) {
                     features = $(this.mediaFeatures);