diff --git a/core/modules/views/src/Plugin/EntityReferenceSelection/ViewsSelection.php b/core/modules/views/src/Plugin/EntityReferenceSelection/ViewsSelection.php
index 2a3d88516a..527db331da 100644
--- a/core/modules/views/src/Plugin/EntityReferenceSelection/ViewsSelection.php
+++ b/core/modules/views/src/Plugin/EntityReferenceSelection/ViewsSelection.php
@@ -287,7 +287,12 @@ protected function getDisplayExecutionResults(string $match = NULL, string $matc
     if ($this->initializeView($match, $match_operator, $limit, $ids)) {
       $results = $this->view->executeDisplay($display_name, $arguments);
     }
-    return $results;
+    if (is_null($results))  {
+      return (array)$results;
+    }
+    else {
+      return $results;
+    }
   }
 
   /**