diff --git a/file-uploader-completed-overlay.html b/file-uploader-completed-overlay.html
index c15647a..5223f12 100644
--- a/file-uploader-completed-overlay.html
+++ b/file-uploader-completed-overlay.html
@@ -147,13 +147,6 @@
         this._toggleListeners({enable: false});
       }
 
-      _toggleListeners({enable}) {
-        const m = enable ? 'addEventListener' : 'removeEventListener';
-
-        this[m]('overlay-close-animation-finish', this._overlayAnimatedOut);
-        this[m]('overlay-opened', this._overlayOpened);
-      }
-
       addFiles(files) {
         if (Array.isArray(this._files)) {
           this._files = files.reverse().concat(this._files).slice(0);
@@ -162,6 +155,13 @@
         }
       }
 
+      _toggleListeners({enable}) {
+        const m = enable ? 'addEventListener' : 'removeEventListener';
+
+        this[m]('overlay-close-animation-finish', this._overlayAnimatedOut);
+        this[m]('overlay-opened', this._overlayOpened);
+      }
+
       _overlayOpened() {
         this._renderThumbnails();
       }