diff --git a/extensions/markdown-language-features/notebook/index.ts b/extensions/markdown-language-features/notebook/index.ts
index bf402101375..1907bd68e41 100644
--- a/extensions/markdown-language-features/notebook/index.ts
+++ b/extensions/markdown-language-features/notebook/index.ts
@@ -26,10 +26,11 @@ function _extInsaneOptions(opts: InsaneOptions, allowedAttributesForAll: string[
 }
 
 const insaneOptions: InsaneOptions = _extInsaneOptions({
-	allowedTags: ['a', 'button', 'blockquote', 'code', 'div', 'h1', 'h2', 'h3', 'h4', 'h5', 'h6', 'hr', 'input', 'label', 'li', 'p', 'pre', 'select', 'small', 'span', 'strong', 'textarea', 'ul', 'ol'],
+	allowedTags: ['a', 'button', 'blockquote', 'code', 'div', 'h1', 'h2', 'h3', 'h4', 'h5', 'h6', 'hr', 'img', 'input', 'label', 'li', 'p', 'pre', 'select', 'small', 'span', 'strong', 'textarea', 'ul', 'ol'],
 	allowedAttributes: {
 		'a': ['href', 'x-dispatch'],
 		'button': ['data-href', 'x-dispatch'],
+		'img': ['src'],
 		'input': ['type', 'placeholder', 'checked', 'required'],
 		'label': ['for'],
 		'select': ['required'],