diff --git a/demos/tree-sitter/codemirror.md b/demos/tree-sitter/codemirror.md
index ed533f1a5..0576a1d0c 100644
--- a/demos/tree-sitter/codemirror.md
+++ b/demos/tree-sitter/codemirror.md
@@ -7,7 +7,7 @@
 - [X] hide line numbers
 - [X] hide scrollbars
 - [ ] update RegExp match while editing
-
+- [ ] Stefan's hide indentation/whitespace issue in shards
 
 ## Probe Example
 
diff --git a/src/components/widgets/lively-code-mirror.js b/src/components/widgets/lively-code-mirror.js
index b6e8f6529..468255a7d 100644
--- a/src/components/widgets/lively-code-mirror.js
+++ b/src/components/widgets/lively-code-mirror.js
@@ -291,7 +291,7 @@ export default class LivelyCodeMirror extends HTMLElement {
     // editor.setOption("showTrailingSpace", true)
     // editor.setOption("matchTags", true)
 
-    );editor.on("change", evt => this.dispatchEvent(new CustomEvent("change", { detail: evt })));
+    );editor.on("change", (doc, evt) => this.dispatchEvent(new CustomEvent("change", { detail: evt })));
     editor.on("change", (() => this.checkSyntax()).debounce(500));
     editor.on("change", (() => this.astCapabilities.codeChanged()).debounce(200));