diff --git a/core/modules/system/src/Plugin/Block/SystemPageActionsBlock.php b/core/modules/system/src/Plugin/Block/SystemPageActionsBlock.php
index c931ec6..3d5a9e0 100644
--- a/core/modules/system/src/Plugin/Block/SystemPageActionsBlock.php
+++ b/core/modules/system/src/Plugin/Block/SystemPageActionsBlock.php
@@ -99,7 +99,7 @@ public function build() {
     $links = menu_local_tasks();
     $request = $this->requestStack->getCurrentRequest();
     $route_name = $request->attributes->get(RouteObjectInterface::ROUTE_NAME);
-    $action_links = $this->localActionManager->getActionsForRoute($route_name)  $links['actions'];
+    $action_links = $this->localActionManager->getActionsForRoute($route_name) + $links['actions'];
     if (empty($action_links)) {
       return FALSE;
     }
diff --git a/core/modules/system/system.module b/core/modules/system/system.module
index 88728fc..a08480c 100644
--- a/core/modules/system/system.module
+++ b/core/modules/system/system.module
@@ -788,14 +788,14 @@ function system_preprocess_block(&$variables) {
 
     case 'system_page_actions_block':
       $variables['action_links'] = '';
-      if($variables['content']['action_links']['#markup']) {
+      if ($variables['content']['action_links']['#markup']) {
         $variables['action_links'] = $variables['content']['action_links']['#markup'];
       }
       break;
 
     case 'system_page_tabs_block':
       $variables['tabs'] = '';
-      if($variables['content']['tabs']['#markup']) {
+      if ($variables['content']['tabs']['#markup']) {
         $variables['tabs'] = $variables['content']['tabs']['#markup'];
       }
       break;