diff --git a/lib/form/filemanager.js b/lib/form/filemanager.js
index 4f966ce0649..7e1ac30bf56 100644
--- a/lib/form/filemanager.js
+++ b/lib/form/filemanager.js
@@ -1017,9 +1017,17 @@ M.form_filemanager.init = function(Y, options) {
                     }
                 }, false);
             }
+            // update dialog header
+            var nodename = node.fullname;
+            // Limit the string length so it fits nicely on mobile devices
+            var namelength = 50;
+            if (nodename.length > namelength) {
+                nodename = nodename.substring(0, namelength) + '...';
+            }
+            Y.one('#fm-dialog-label_'+selectnode.get('id')).setContent(Y.Escape.html(M.str.moodle.edit+' '+nodename));
             // show panel
             this.selectui.show();
-            document.getElementById(this.selectui.get('id')).focus();
+            Y.one('#'+selectnode.get('id')).focus();
         },
         render: function() {
             this.print_path();