diff --git a/lib/ext/array.js b/lib/ext/array.js
new file mode 100644
index 00000000..8611bcfc
--- /dev/null
+++ b/lib/ext/array.js
@@ -0,0 +1,6 @@
+Array.prototype.find = function (fun) {
+    for (var i = 0, r; i < this.length; i++) {
+        if (r = fun.call(this, this[i])) { return r }
+    }
+    return null;
+};
diff --git a/lib/less/adapters/server.js b/lib/less/adapters/server.js
index 33019e82..d0c00555 100644
--- a/lib/less/adapters/server.js
+++ b/lib/less/adapters/server.js
@@ -9,3 +9,5 @@ process.mixin(less.parser, require('less/node'));
 process.mixin(less.tree,   require('less/tree'));
 process.mixin(exports, less);
 
+require('ext/array');
+