diff --git a/src/vs/workbench/api/electron-browser/mainThreadSaveParticipant.ts b/src/vs/workbench/api/electron-browser/mainThreadSaveParticipant.ts
index c93c090818e..8f647499400 100644
--- a/src/vs/workbench/api/electron-browser/mainThreadSaveParticipant.ts
+++ b/src/vs/workbench/api/electron-browser/mainThreadSaveParticipant.ts
@@ -165,7 +165,7 @@ export class TrimFinalNewLinesParticipant implements ISaveParticipantParticipant
 			currentLineIsEmptyOrWhitespace = strings.lastNonWhitespaceIndex(currentLine) === -1;
 		}
 
-		const deletionRange = new Range(currentLineNumber + 1, 1, lineCount + 1, 1);
+		const deletionRange = new Range(currentLineNumber + 1, 1, lineCount, 1);
 		if (!deletionRange.isEmpty()) {
 			model.pushEditOperations(prevSelection, [EditOperation.delete(deletionRange)], edits => prevSelection);
 		}