diff --git a/packages/ketcher-react/src/script/editor/tool/paste.ts b/packages/ketcher-react/src/script/editor/tool/paste.ts
index cacf46d7aa..9c46be9e74 100644
--- a/packages/ketcher-react/src/script/editor/tool/paste.ts
+++ b/packages/ketcher-react/src/script/editor/tool/paste.ts
@@ -180,7 +180,7 @@ class PasteTool {
           this.struct
         )
         if (countAttachmentPoint > 1) {
-          sgroup.data.expanded = true
+          sgroup.setAttr('expanded', true)
         }
       })
       // common paste logic