diff --git a/filebrowser.js b/filebrowser.js
index da8060a200..c0eb8bcfba 100644
--- a/filebrowser.js
+++ b/filebrowser.js
@@ -767,6 +767,9 @@ async function loadFileInHTML(fileEl, fileSha) {
     // change codeit lang
     cd.lang = selectedFile.lang;
     
+    // update bottom float
+    if (isMobile) updateFloat();
+    
   } catch(e) { // if file is binary
     
     if (hashCode(selectedFile.content) !== hashCode(fileSizeText)) {
diff --git a/service-worker.js b/service-worker.js
index 77cf347b85..a0cd676fba 100644
--- a/service-worker.js
+++ b/service-worker.js
@@ -1,7 +1,7 @@
 'use strict';
 
 // update cache names any time any of the cached files change
-const CACHE_NAME = 'static-cache-v290';
+const CACHE_NAME = 'static-cache-v291';
 
 // list of files to cache
 const FILES_TO_CACHE = [