diff --git a/io/emoncms/88-emoncms.html b/io/emoncms/88-emoncms.html
index 76c70a0a..21fe4a9a 100644
--- a/io/emoncms/88-emoncms.html
+++ b/io/emoncms/88-emoncms.html
@@ -31,7 +31,7 @@
         defaults: {
             name: {value:"Emoncms"},
             emonServer: {type:"emoncms-server", required:true},
-            nodegroup: {value:"", validate:function(v) {return ((v === "")||(/^\d+$/).test(v));} }
+            nodegroup: {value:"", validate:function(v) {return ((v === "")||(/^[\d\w\s.-]*$/).test(v));} }
         },
         inputs:1,
         outputs:0,