diff --git a/src/vs/editor/contrib/codeAction/lightBulbWidget.ts b/src/vs/editor/contrib/codeAction/lightBulbWidget.ts
index aa801f6ce0cd1fd5144457d454749ae9740ec3dd..5caf1cd6a6099b11aa122e5d61b83dd2b2b58384 100644
--- a/src/vs/editor/contrib/codeAction/lightBulbWidget.ts
+++ b/src/vs/editor/contrib/codeAction/lightBulbWidget.ts
@@ -153,12 +153,13 @@ export class LightBulbWidget extends Disposable implements IContentWidget {
 			return this.hide();
 		}
 
-		const { lineNumber, column } = atPosition;
 		const model = this._editor.getModel();
 		if (!model) {
 			return this.hide();
 		}
 
+		const { lineNumber, column } = model.validatePosition(atPosition);
+
 		const tabSize = model.getOptions().tabSize;
 		const fontInfo = options.get(EditorOption.fontInfo);
 		const lineContent = model.getLineContent(lineNumber);