diff --git a/frappe/core/doctype/communication/mixins.py b/frappe/core/doctype/communication/mixins.py
index 5735895652..65552f0ad4 100644
--- a/frappe/core/doctype/communication/mixins.py
+++ b/frappe/core/doctype/communication/mixins.py
@@ -194,6 +194,7 @@ class CommunicationEmailMixin:
 				"print_format_attachment": 1,
 				"doctype": self.reference_doctype,
 				"name": self.reference_name,
+				"lang": frappe.local.lang,
 			}
 			final_attachments.append(d)