diff --git a/packages/ketcher-core/src/domain/entities/Peptide.ts b/packages/ketcher-core/src/domain/entities/Peptide.ts
index c9c904e37b..f9a5e88eef 100644
--- a/packages/ketcher-core/src/domain/entities/Peptide.ts
+++ b/packages/ketcher-core/src/domain/entities/Peptide.ts
@@ -1,7 +1,6 @@
 import { BaseMonomer } from './BaseMonomer';
 
 export class Peptide extends BaseMonomer {
-
   public getValidSourcePoint(monomer: BaseMonomer) {
     if (
       monomer.isAttachmentPointExistAndFree('R1') &&