diff --git a/label_help.module b/label_help.module
index b32103f559c47c88ea311a5800afbc1bb4065fed..08598510422736ca0b94b1147fc9021d5e2fdf0a 100644
--- a/label_help.module
+++ b/label_help.module
@@ -99,7 +99,7 @@ function label_help_theme_registry_alter(&$theme_registry) {
  */
 function label_help_theme_form_element_label($variables) {
   $desc = '';
-  if (isset($variables['element']['#theme_options']['description at top'])) {
+  if (isset($variables['element']['#theme_options']['description at top']) && !empty($variables['element']['#theme_options']['description at top'])) {
     $desc = '<div class="description">' . t($variables['element']['#theme_options']['description at top']) . '</div>';
   }