diff --git a/src/Plugin/Field/FieldWidget/EntityReference.php b/src/Plugin/Field/FieldWidget/EntityReference.php
index b7c11ae..418cb57 100644
--- a/src/Plugin/Field/FieldWidget/EntityReference.php
+++ b/src/Plugin/Field/FieldWidget/EntityReference.php
@@ -322,7 +322,7 @@ class EntityReference extends WidgetBase implements ContainerFactoryPluginInterf
       }
     }
     // IDs from a previous request might be saved in the form state.
-    elseif ($form_state->has(['entity_browser_widget', $this->getFormStateKey($items)])) {
+    elseif (!empty($form_state->get(['entity_browser_widget', $this->getFormStateKey($items)]))) {
       $ids = $form_state->get(['entity_browser_widget', $this->getFormStateKey($items)]);
       $entities = $entity_storage->loadMultiple($ids);
     }