diff --git a/src/vs/editor/browser/widget/diffReview.ts b/src/vs/editor/browser/widget/diffReview.ts
index 0cf6811a9a6b14cc4b5f34f9735060f27e90ecb1..c32c43fef19c64911d33bc4fd1c2973621e1b5a5 100644
--- a/src/vs/editor/browser/widget/diffReview.ts
+++ b/src/vs/editor/browser/widget/diffReview.ts
@@ -749,7 +749,11 @@ export class DiffReview extends Disposable {
 			let ariaLabel: string = '';
 			switch (type) {
 				case DiffEntryType.Equal:
-					ariaLabel = nls.localize('equalLine', "{0} original line {1} modified line {2}", lineContent, originalLine, modifiedLine);
+					if (originalLine === modifiedLine) {
+						ariaLabel = nls.localize('unchangedLine', "{0} unchanged line {1}", lineContent, originalLine);
+					} else {
+						ariaLabel = nls.localize('equalLine', "{0} original line {1} modified line {2}", lineContent, originalLine, modifiedLine);
+					}
 					break;
 				case DiffEntryType.Insert:
 					ariaLabel = nls.localize('insertLine', "+ {0} modified line {1}", lineContent, modifiedLine);