diff --git a/core/modules/block/block.module b/core/modules/block/block.module
index f834b12..5c6ecba 100644
--- a/core/modules/block/block.module
+++ b/core/modules/block/block.module
@@ -544,7 +544,7 @@ function template_preprocess_block(&$variables) {
     $variables['block']->label_hidden = $variables['block']->label;
     $variables['block']->label = '';
   }
-  $variables['label'] = check_plain($variables['block']->label);
+  $variables['label'] = $variables['block']->label;
 
   // All blocks get an independent counter for each region.
   if (!isset($block_counter[$variables['block']->region])) {