diff --git a/controllers/EditAlbum.php b/controllers/EditAlbum.php
index 76d549d..c24787d 100644
--- a/controllers/EditAlbum.php
+++ b/controllers/EditAlbum.php
@@ -132,7 +132,8 @@ class EditAlbum extends HTMLController
 				'id_tag' => $id_tag,
 			], true);
 
-			$this->page->adopt(new FeaturedThumbnailManager($assets, $id_tag ? $album->id_asset_thumb : 0));
+			if ($num_assets > 0)
+				$this->page->adopt(new FeaturedThumbnailManager($assets, $id_tag ? $album->id_asset_thumb : 0));
 		}
 
 		if (isset($_POST['changeThumbnail']))
diff --git a/controllers/EditTag.php b/controllers/EditTag.php
index fcb0e96..c96ef0e 100644
--- a/controllers/EditTag.php
+++ b/controllers/EditTag.php
@@ -123,7 +123,8 @@ class EditTag extends HTMLController
 				'id_tag' => $id_tag,
 			], true);
 
-			$this->page->adopt(new FeaturedThumbnailManager($assets, $id_tag ? $tag->id_asset_thumb : 0));
+			if ($num_assets > 0)
+				$this->page->adopt(new FeaturedThumbnailManager($assets, $id_tag ? $tag->id_asset_thumb : 0));
 		}
 
 		if (isset($_POST['changeThumbnail']))