diff --git a/skin.module b/skin.module
index aaaf8297dec0c8bfdef6031bf8186808a99d33fb..ca065b25e768f95b8162a6c2daaef986f2dc5a90 100755
--- a/skin.module
+++ b/skin.module
@@ -83,11 +83,12 @@ function _skin_replace_callback($matches) {
       $skin_path = file_create_path('skin') . (!$optimized ? '/'. dirname($filepath_minus_query) : '');
       if (file_check_directory($skin_path, FILE_CREATE_DIRECTORY) or mkdir($skin_path, 0755, TRUE)) {
         $filename = $skin_path .'/'. $info['filename'] .'.'. $info['extension'];
-        // Optimized files have already resolved imports and prefixed paths.
-        if ($optimized) {
+        // Optimized CSS files have resolved imports and prefixed paths.
+        // Un-optimized JS files don't need to be resolved.
+        if ($optimized or $info['extension'] == 'js') {
           $contents = file_get_contents($filepath_minus_query);
         }
-        // Unoptimized files need to resolve imports and prefix paths.
+        // Unoptimized CSS files need to resolve imports and prefix paths.
         // See drupal_build_css_cache().
         else {
           $contents = drupal_load_stylesheet($filepath_minus_query);