diff --git a/apps.json b/apps.json
index 8e2423bfd..d63e7954e 100644
--- a/apps.json
+++ b/apps.json
@@ -2315,7 +2315,7 @@
     "name": "File manager",
     "shortName":"FileManager",
     "icon": "icons8-filing-cabinet-48.png",
-    "version":"0.02",
+    "version":"0.03",
     "description": "Simple file manager, allows user to examine watch storage and display, load or delete individual files",
     "tags": "tools",
     "readme": "README.md",
diff --git a/apps/fileman/ChangeLog b/apps/fileman/ChangeLog
index 72ee0b566..f5af86229 100644
--- a/apps/fileman/ChangeLog
+++ b/apps/fileman/ChangeLog
@@ -1,2 +1,3 @@
 0.01: New app!
 0.02: Improve handling of large amounts of files (fix #579)
+0.03: Update RegExp use (Was using backreference instead of character code)
diff --git a/apps/fileman/fileman.app.js b/apps/fileman/fileman.app.js
index 03e135cb2..6a3c5598d 100644
--- a/apps/fileman/fileman.app.js
+++ b/apps/fileman/fileman.app.js
@@ -91,8 +91,8 @@ function drawMenu() {
 
 function get_pruned_file_list() {
   // get storagefile list
-  var sf = STOR.list(/\1$/).map(s=>s.slice(0,-1));
-  var sffilter = f=>!sf.includes(f.slice(0,-1)) || f.endsWith("\1");
+  var sf = STOR.list(/\x01$/).map(s=>s.slice(0,-1));
+  var sffilter = f=>!sf.includes(f.slice(0,-1)) || f.endsWith("\x01");
   // get files - put '.' last
   var fl = STOR.list(/^[^\.]/).filter(sffilter);
   fl.sort();