diff --git a/erpnext/regional/doctype/datev_settings/datev_settings.json b/erpnext/regional/doctype/datev_settings/datev_settings.json
index 39486df..713e8e3 100644
--- a/erpnext/regional/doctype/datev_settings/datev_settings.json
+++ b/erpnext/regional/doctype/datev_settings/datev_settings.json
@@ -1,4 +1,5 @@
 {
+ "actions": [],
  "autoname": "field:client",
  "creation": "2019-08-13 23:56:34.259906",
  "doctype": "DocType",
@@ -6,6 +7,7 @@
  "engine": "InnoDB",
  "field_order": [
   "client",
+  "account_number_length",
   "column_break_2",
   "client_number",
   "section_break_4",
@@ -28,8 +30,8 @@
    "fieldtype": "Data",
    "in_list_view": 1,
    "label": "Client ID",
-   "reqd": 1,
-   "length": 5
+   "length": 5,
+   "reqd": 1
   },
   {
    "fieldname": "consultant",
@@ -43,8 +45,8 @@
    "fieldtype": "Data",
    "in_list_view": 1,
    "label": "Consultant ID",
-   "reqd": 1,
-   "length": 7
+   "length": 7,
+   "reqd": 1
   },
   {
    "fieldname": "column_break_2",
@@ -57,9 +59,17 @@
   {
    "fieldname": "column_break_6",
    "fieldtype": "Column Break"
+  },
+  {
+   "default": "4",
+   "fieldname": "account_number_length",
+   "fieldtype": "Int",
+   "label": "Account Number Length",
+   "reqd": 1
   }
  ],
- "modified": "2019-08-14 00:03:26.616460",
+ "links": [],
+ "modified": "2020-11-05 17:52:11.674329",
  "modified_by": "Administrator",
  "module": "Regional",
  "name": "DATEV Settings",
@@ -104,4 +114,4 @@
  "sort_field": "modified",
  "sort_order": "DESC",
  "track_changes": 1
-}
+}
\ No newline at end of file
diff --git a/erpnext/regional/germany/utils/datev/datev_csv.py b/erpnext/regional/germany/utils/datev/datev_csv.py
index cf07a1c..f138a80 100644
--- a/erpnext/regional/germany/utils/datev/datev_csv.py
+++ b/erpnext/regional/germany/utils/datev/datev_csv.py
@@ -106,7 +106,7 @@
 		# M = Start of the fiscal year (Wirtschaftsjahresbeginn)
 		frappe.utils.formatdate(filters.get('fiscal_year_start'), 'yyyyMMdd'),
 		# N = Length of account numbers (Sachkontenlänge)
-		datev_settings.get('account_number_length', '4'),
+		str(filters.get('account_number_length', 4)),
 		# O = Transaction batch start date (YYYYMMDD)
 		frappe.utils.formatdate(filters.get('from_date'), 'yyyyMMdd') if csv_class.DATA_CATEGORY == DataCategory.TRANSACTIONS else '',
 		# P = Transaction batch end date (YYYYMMDD)
diff --git a/erpnext/regional/report/datev/datev.py b/erpnext/regional/report/datev/datev.py
index dbae230..3f4cb98 100644
--- a/erpnext/regional/report/datev/datev.py
+++ b/erpnext/regional/report/datev/datev.py
@@ -340,6 +340,8 @@
 	coa = frappe.get_value('Company', company, 'chart_of_accounts')
 	filters['skr'] = '04' if 'SKR04' in coa else ('03' if 'SKR03' in coa else '')
 
+	filters['account_number_length'] = frappe.get_value('DATEV Settings', company, 'account_number_length')
+
 	transactions = get_transactions(filters)
 	account_names = get_account_names(filters)
 	customers = get_customers(filters)