diff --git a/frappe/core/doctype/communication/email.py b/frappe/core/doctype/communication/email.py
index 4864dd12c2..091adc3b4b 100755
--- a/frappe/core/doctype/communication/email.py
+++ b/frappe/core/doctype/communication/email.py
@@ -280,7 +280,7 @@ def prepare_to_notify(doc, print_html=None, print_format=None, attachments=None)
 				# is it a filename?
 				try:
 					# keep this for error handling
-					_file = frappe.get_doc("File", {"file_name": a})
+					_file = frappe.get_doc("File", a)
 					_file.get_content()
 					# these attachments will be attached on-demand
 					# and won't be stored in the message
diff --git a/frappe/email/queue.py b/frappe/email/queue.py
index 07433ed715..eb8edd8e2a 100755
--- a/frappe/email/queue.py
+++ b/frappe/email/queue.py
@@ -537,7 +537,7 @@ def prepare_message(email, recipient, recipients_list):
 
 		fid = attachment.get("fid")
 		if fid:
-			_file = frappe.get_doc("File", {"file_name": fid})
+			_file = frappe.get_doc("File", fid)
 			fcontent = _file.get_content()
 			attachment.update({
 				'fname': _file.file_name,