diff --git a/src/Plugin/CKEditorPlugin/DialogPlugin.php b/src/Plugin/CKEditorPlugin/DialogPlugin.php
index 97e97fb2e8d8e3dffbea93be278ce1db6a6ef9bf..8246f835d1a1f332489e462a679f6809b5ea4ad0 100644
--- a/src/Plugin/CKEditorPlugin/DialogPlugin.php
+++ b/src/Plugin/CKEditorPlugin/DialogPlugin.php
@@ -67,7 +67,7 @@ class DialogPlugin extends CKEditorPluginBase implements ContainerFactoryPluginI
    * {@inheritdoc}
    */
   public function getFile() {
-    return $this->libFileFinder->find('ckeditor-dialog'). '/plugin.js';
+    return $this->libFileFinder->find('ckeditor-dialog') . '/plugin.js';
   }
 
 }