diff --git a/apps/files/js/files.js b/apps/files/js/files.js
index 5fcf99d24af3a02591992bf02b84027a2099c19b..df268fea6deecad7c69d9615a58244502b8b7a9e 100644
--- a/apps/files/js/files.js
+++ b/apps/files/js/files.js
@@ -350,7 +350,7 @@ var createDragShadow = function(event) {
 	}
 
 	// do not show drag shadow for too many files
-	var selectedFiles = _.first(FileList.getSelectedFiles(), FileList.pageSize);
+	var selectedFiles = _.first(FileList.getSelectedFiles(), FileList.pageSize());
 	selectedFiles = _.sortBy(selectedFiles, FileList._fileInfoCompare);
 
 	if (!isDragSelected && selectedFiles.length === 1) {