diff --git a/visualcomposer/resources/views/editor/frontend/header.php b/visualcomposer/resources/views/editor/frontend/header.php
index 93cde528d2..469b9830f7 100644
--- a/visualcomposer/resources/views/editor/frontend/header.php
+++ b/visualcomposer/resources/views/editor/frontend/header.php
@@ -16,7 +16,7 @@
 }
 global $current_screen;
 if (empty($current_screen->id)) {
-    $current_screen->id = $sourceId;
+    $current_screen->id = (string) $sourceId;
 }
 // @codingStandardsIgnoreEnd
 $globalsHelper->set('typenow', get_post_type());
@@ -60,4 +60,4 @@
         unset($variable);
     }
     ?>
-</head>
\ No newline at end of file
+</head>