diff --git a/src/languageFeatures.ts b/src/languageFeatures.ts
index 958a338f..a16ee365 100644
--- a/src/languageFeatures.ts
+++ b/src/languageFeatures.ts
@@ -926,6 +926,10 @@ export class FormatAdapter
 			column: range.endColumn
 		});
 		const worker = await this._worker(resource);
+		if (model.isDisposed()) {
+			return;
+		}
+
 		const edits = await worker.getFormattingEditsForRange(
 			resource.toString(),
 			startOffset,