diff --git a/src/vs/editor/contrib/gotoSymbol/browser/link/goToDefinitionAtPosition.ts b/src/vs/editor/contrib/gotoSymbol/browser/link/goToDefinitionAtPosition.ts
index 70c093ee9d8..ea3d4987eeb 100644
--- a/src/vs/editor/contrib/gotoSymbol/browser/link/goToDefinitionAtPosition.ts
+++ b/src/vs/editor/contrib/gotoSymbol/browser/link/goToDefinitionAtPosition.ts
@@ -229,7 +229,7 @@ export class GotoDefinitionAtPositionEditorContribution implements IEditorContri
 		if (numberOfLinesInRange >= GotoDefinitionAtPositionEditorContribution.MAX_SOURCE_PREVIEW_LINES) {
 			rangeToUse = this.getPreviewRangeBasedOnIndentation(textEditorModel, startLineNumber);
 		}
-
+		rangeToUse = textEditorModel.validateRange(rangeToUse);
 		const previewValue = this.stripIndentationFromPreviewRange(textEditorModel, startLineNumber, rangeToUse);
 		return previewValue;
 	}