diff --git a/erpnext/accounts/doctype/accounting_dimension/test_accounting_dimension.py b/erpnext/accounts/doctype/accounting_dimension/test_accounting_dimension.py
index 039e1d2aa34..92674a146ba 100644
--- a/erpnext/accounts/doctype/accounting_dimension/test_accounting_dimension.py
+++ b/erpnext/accounts/doctype/accounting_dimension/test_accounting_dimension.py
@@ -55,6 +55,19 @@ class TestAccountingDimension(ERPNextTestSuite):
 		dimension = frappe.get_doc({"doctype": "Accounting Dimension", "document_type": "Sales Team"})
 		self.assertRaises(frappe.ValidationError, dimension.insert)
 
+	def test_single_doctype_not_allowed_as_dimension(self):
+		dimension = frappe.get_doc({"doctype": "Accounting Dimension", "document_type": "Selling Settings"})
+		self.assertRaises(frappe.ValidationError, dimension.insert)
+
+	def test_non_scalar_dimension_value_skipped_in_gl_dict(self):
+		si = create_sales_invoice(do_not_save=1)
+
+		si.department = "_Test Department - _TC"
+		self.assertEqual(si.get_gl_dict({}).get("department"), "_Test Department - _TC")
+
+		si.department = ["_Test Department - _TC"]
+		self.assertNotIn("department", si.get_gl_dict({}))
+
 	def test_mandatory(self):
 		location = frappe.get_doc("Accounting Dimension", "Location")
 		location.dimension_defaults[0].mandatory_for_bs = True