diff --git a/src/vs/workbench/contrib/notebook/browser/contrib/editorHint/emptyCellEditorHint.ts b/src/vs/workbench/contrib/notebook/browser/contrib/editorHint/emptyCellEditorHint.ts
index ae54b74c7a4..0870ac79d1b 100644
--- a/src/vs/workbench/contrib/notebook/browser/contrib/editorHint/emptyCellEditorHint.ts
+++ b/src/vs/workbench/contrib/notebook/browser/contrib/editorHint/emptyCellEditorHint.ts
@@ -52,7 +52,7 @@ export class EmptyCellEditorHintContribution extends EmptyTextEditorHintContribu
 		}
 
 		const activeEditor = getNotebookEditorFromEditorPane(this._editorService.activeEditorPane);
-		if (!activeEditor || activeEditor.isDisposed) {
+		if (!activeEditor || !activeEditor.isDisposed) {
 			return false;
 		}