--- color.module	2007-01-20 03:12:44.000000000 -0500
+++ color.module	2007-01-30 03:59:33.265625000 -0500
@@ -40,8 +40,10 @@
 
   // Override stylesheet
   $path = variable_get('color_'. $theme_key .'_stylesheet', NULL);
+  $oldpath = $vars['directory'] .'/style.css';
   if ($path) {
     $vars['css']['all']['theme'][$path] = TRUE;
+    unset($vars['css']['all']['theme'][$oldpath]);
     $vars['styles'] = drupal_get_css($vars['css']);
   }