diff --git a/docroot/modules/file/file.module b/docroot/modules/file/file.module
index eea5847..56167cc 100644
--- a/docroot/modules/file/file.module
+++ b/docroot/modules/file/file.module
@@ -843,11 +843,26 @@ function theme_file_link($variables) {
  */
 function theme_file_icon($variables) {
   $file = $variables['file'];
-  $alt = $variables['alt'];
   $icon_directory = $variables['icon_directory'];
 
   $mime = check_plain($file->filemime);
   $icon_url = file_icon_url($file, $icon_directory);
+  $mime_name = array(
+    'application/msword' => t('Microsoft Office document icon'),
+    'application/vnd.ms-excel' => t('Office presentation icon'),
+    'application/vnd.ms-powerpoint' => t('Office spreadsheet icon'),
+    'application/pdf' => t('PDF icon'),
+    'video/quicktime' => t('Movie icon'),
+    'audio/mpeg' => t('Audio icon'),
+    'audio/wav' => t('Audio icon'),
+    'image/jpeg' => t('Image icon'),
+    'image/png' => t('Image icon'),
+    'image/gif' => t('Image icon'),
+    'application/zip' => t('Package icon'),
+    'text/html' => t('HTML icon'),
+    'text/plain' => t('Plain text icon'),
+    'media/remote' => t('Media file icon'),
+  );
+  $alt = ($variables['alt'] == "") ? $mime_name[$mime] : $variables['alt'];
   return '<img class="file-icon" alt="' . check_plain($alt) . '" title="' . $mime . '" src="' . $icon_url . '" />';
 }