diff --git a/core/modules/system/src/Plugin/Block/SystemPageTitleBlock.php b/core/modules/system/src/Plugin/Block/SystemPageTitleBlock.php
index e0bd82c..e23785a 100644
--- a/core/modules/system/src/Plugin/Block/SystemPageTitleBlock.php
+++ b/core/modules/system/src/Plugin/Block/SystemPageTitleBlock.php
@@ -48,7 +48,9 @@ public function defaultConfiguration() {
    */
   public function build() {
     return [
-      'title' => $this->title,
+      'title' => [
+        '#markup' => $this->title,
+      ],
     ];
   }
 
diff --git a/core/modules/system/system.module b/core/modules/system/system.module
index 7e9a683..5c327f7 100644
--- a/core/modules/system/system.module
+++ b/core/modules/system/system.module
@@ -816,8 +816,8 @@ function system_preprocess_block(&$variables) {
 
     case 'system_page_title_block':
       $variables['title'] = '';
-      if($variables['content']['page_title']['#markup']) {
-        $variables['title'] = $variables['content']['page_title']['#markup'];
+      if($variables['content']['title']['#markup']) {
+        $variables['title'] = $variables['content']['title']['#markup'];
       }
       break;
   }
diff --git a/core/profiles/standard/config/install/block.block.seven_page_title.yml b/core/profiles/standard/config/install/block.block.seven_page_title.yml
index 8f0049c..30998fa 100644
--- a/core/profiles/standard/config/install/block.block.seven_page_title.yml
+++ b/core/profiles/standard/config/install/block.block.seven_page_title.yml
@@ -3,7 +3,7 @@ theme: seven
 weight: -30
 status: true
 langcode: en
-region: content
+region: header
 plugin: system_page_title_block
 settings:
   id: system_page_title_block