diff --git a/upload/source/admincp/admincp_collection.php b/upload/source/admincp/admincp_collection.php
index 5fd0c8d38d6853bc8e48061f3ea0f5db81412353..f896b13dca0f3e53e470b55903543c056553cdc0 100644
--- a/upload/source/admincp/admincp_collection.php
+++ b/upload/source/admincp/admincp_collection.php
@@ -236,7 +236,7 @@ if($operation == 'comment') {
 			}
 			$rCollection = $_GET['ctidorder'][$rCtid];
 		}
-		$collectionrecommend['ctids'] = removeNonExistsCollection($collectionrecommend['ctids']);
+		$collectionrecommend['ctids'] = is_array($collectionrecommend['ctids']) ? removeNonExistsCollection($collectionrecommend['ctids']) : array();
 		$collectionrecommend['autorecommend'] = intval($_GET['settingnew']['autorecommend']);
 		$collectionrecommend['adminrecommend'] = count($collectionrecommend['ctids']);
 		asort($collectionrecommend['ctids']);