diff --git a/core/modules/block/block.module b/core/modules/block/block.module
index c65def6..ce4f0e5 100644
--- a/core/modules/block/block.module
+++ b/core/modules/block/block.module
@@ -921,7 +921,10 @@ function _block_get_renderable_block($element) {
     }
     elseif (isset($array) && is_array($array)) {
       foreach ($array as $k => $v) {
-        $block->$k = $v;
+        // Only set the title if one was not stored in the database.
+        if ($k != 'title' || empty($block->$k)) {
+          $block->$k = $v;
+        }
       }
     }
   }