diff --git a/src/sql/workbench/contrib/notebook/browser/models/notebookInput.ts b/src/sql/workbench/contrib/notebook/browser/models/notebookInput.ts
index 1780300713..a78a5b1f54 100644
--- a/src/sql/workbench/contrib/notebook/browser/models/notebookInput.ts
+++ b/src/sql/workbench/contrib/notebook/browser/models/notebookInput.ts
@@ -122,7 +122,7 @@ export class NotebookEditorModel extends EditorModel {
 			this._isFirstKernelChange = false;
 			return;
 		}
-		if (!contentChange?.isDirty === false) {
+		if (contentChange?.isDirty === false) {
 			return;
 		}
 		this._lastEditFullReplacement = false;