From d5e83dae866274811d791bf4a15723e8b92d895d Mon Sep 17 00:00:00 2001
From: Jacek Roszkowski <j.roszk@gmail.com>
Date: Mon, 11 Feb 2019 23:02:39 +0100
Subject: [PATCH] Add a check for post type

---
 external-media-without-import.php | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/external-media-without-import.php b/external-media-without-import.php
index b41b1a2..8d24845 100644
--- a/external-media-without-import.php
+++ b/external-media-without-import.php
@@ -55,7 +55,9 @@ function init_emwi() {
 add_filter( 'get_attached_file', function( $file, $attachment_id ) {
 	if ( empty( $file ) ) {
 		$post = get_post( $attachment_id );
-		return $post->guid;
+		if ( get_post_type( $post ) == 'attachment' ) {
+			return $post->guid;
+		}
 	}
 	return $file;
 }, 10, 2 );