diff --git a/src/vs/workbench/contrib/notebook/browser/view/renderers/cellRenderer.ts b/src/vs/workbench/contrib/notebook/browser/view/renderers/cellRenderer.ts
index bd98fcd28e50045e882cf6344c04bad616fd394d..250fbf0c4a7b5ce0a0b90721babe49cc4608413d 100644
--- a/src/vs/workbench/contrib/notebook/browser/view/renderers/cellRenderer.ts
+++ b/src/vs/workbench/contrib/notebook/browser/view/renderers/cellRenderer.ts
@@ -647,7 +647,7 @@ class CodeCellDragImageRenderer {
 			return null;
 		}
 
-		editorContainer.innerHTML = String(richEditorText);
+		editorContainer.innerHTML = richEditorText as unknown as string;
 
 		return dragImageContainer;
 	}