diff --git a/static/edit.js b/static/edit.js
index 756f89b..4b311a2 100644
--- a/static/edit.js
+++ b/static/edit.js
@@ -753,7 +753,7 @@ function onSubmitNewFilter() {
     var var1Input = document.getElementById("var1Input");
     var var2Input = document.getElementById("var2Input");
     var var3Input = document.getElementById("var3Input");
-    _diagram.addNode(Math.max.apply(Math, __spread(Array.from(_diagram.nodes.values()).map(function (n) { return n.id; }))) + 1, _diagram.canvas.width / 2 - _diagram.mouseState.offset.x, _diagram.canvas.height / 2 - _diagram.mouseState.offset.y, name, {
+    _diagram.addNode(Math.max.apply(Math, __spread(Array.from(_diagram.nodes.values()).map(function (n) { return n.id; }), [0])) + 1, _diagram.canvas.width / 2 - _diagram.mouseState.offset.x, _diagram.canvas.height / 2 - _diagram.mouseState.offset.y, name, {
         type: type,
         var1: var1Input.value,
         var2: var2Input.value,
diff --git a/static/edit.ts b/static/edit.ts
index 6fffef1..d8a54df 100644
--- a/static/edit.ts
+++ b/static/edit.ts
@@ -754,7 +754,7 @@ function onSubmitNewFilter(){
     let var3Input = document.getElementById("var3Input") as HTMLInputElement;
 
     _diagram.addNode(
-        Math.max(...Array.from(_diagram.nodes.values()).map(n => n.id)) + 1,
+        Math.max(...Array.from(_diagram.nodes.values()).map(n => n.id), 0) + 1,
         _diagram.canvas.width / 2 - _diagram.mouseState.offset.x, 
         _diagram.canvas.height / 2 - _diagram.mouseState.offset.y, 
         name, {
diff --git a/todo.md b/todo.md
index 6c04a90..4b0a526 100644
--- a/todo.md
+++ b/todo.md
@@ -8,5 +8,4 @@
     - sms?
     - etch?
 - implement embed.FS
-- fix new watch filter bug?
 - trusted proxies in conf?
\ No newline at end of file