diff --git a/lib/colors.js b/lib/colors.js
index d0f174e..44c3868 100644
--- a/lib/colors.js
+++ b/lib/colors.js
@@ -345,11 +345,11 @@ exports.ccolors = {
 Object.keys(exports.ccolors).forEach(function(name) {
   exports.ccolors[name].forEach(function(offset) {
     if (typeof offset === 'number') {
-      cols[offset] = exports.colorNames[name];
+      exports.ccolors[offset] = exports.colorNames[name];
       return;
     }
     var i = offset[0], l = offset[2];
-    for (; i <= l; i++) cols[i] = exports.colorNames[name];
+    for (; i <= l; i++) exports.ccolors[i] = exports.colorNames[name];
   });
   delete exports.ccolors[name];
 });