diff --git a/src/vs/workbench/contrib/notebook/browser/view/renderers/backLayerWebView.ts b/src/vs/workbench/contrib/notebook/browser/view/renderers/backLayerWebView.ts
index 06c54bec94013..71b28fb751044 100644
--- a/src/vs/workbench/contrib/notebook/browser/view/renderers/backLayerWebView.ts
+++ b/src/vs/workbench/contrib/notebook/browser/view/renderers/backLayerWebView.ts
@@ -212,7 +212,7 @@ ${loaderJs}
 		<html lang="en">
 			<head>
 				<meta charset="UTF-8">
-				<base url="${baseUrl}/"/>
+				<base href="${baseUrl}/"/>
 				<style>
 					#container > div > div {
 						width: 100%;
