diff --git a/lib/extendStringPrototype.js b/lib/extendStringPrototype.js
index ed608f6..6d6bbfe 100644
--- a/lib/extendStringPrototype.js
+++ b/lib/extendStringPrototype.js
@@ -73,18 +73,16 @@ module['exports'] = function() {
       } else {
         if (typeof(theme[prop]) === 'string') {
           colors[prop] = colors[theme[prop]];
-          addProperty(prop, function() {
-            return colors[theme[prop]](this);
-          });
         } else {
-          addProperty(prop, function() {
-            var ret = this;
-            for (var t = 0; t < theme[prop].length; t++) {
-              ret = colors[theme[prop][t]](ret);
-            }
-            return ret;
-          });
+          var tmp = colors[theme[prop][0]];
+          for (var t = 1; t < theme[prop].length; t++) {
+            tmp = tmp[theme[prop][t]];
+          }
+          colors[prop] = tmp;
         }
+        addProperty(prop, function() {
+          return colors[prop](this);
+        });
       }
     });
   }