diff --git a/apps/files_imageviewer/js/lightbox.js b/apps/files_imageviewer/js/lightbox.js
index 844a95e121..fe8b975309 100644
--- a/apps/files_imageviewer/js/lightbox.js
+++ b/apps/files_imageviewer/js/lightbox.js
@@ -11,7 +11,7 @@ $(document).ready(function() {
 		a.attr('href','#');
 		a.click(function(){
 			var pos=image.lastIndexOf('/')
-			var file=image.substr(pos);
+			var file=image.substr(pos + 1);
 			var dir=image.substr(0,pos);
 			viewImage(dir,file);
 		});
diff --git a/apps/files_texteditor/js/editor.js b/apps/files_texteditor/js/editor.js
index 36ab196b64..2471d294a8 100644
--- a/apps/files_texteditor/js/editor.js
+++ b/apps/files_texteditor/js/editor.js
@@ -309,7 +309,7 @@ $(document).ready(function(){
 		a.attr('href','#');
 		a.click(function(){
 			var pos=text.lastIndexOf('/')
-			var file=text.substr(pos);
+			var file=text.substr(pos + 1);
 			var dir=text.substr(0,pos);
 			showFileEditor(dir,file);
 		});