diff --git a/erpnext/selling/doctype/customer/customer.py b/erpnext/selling/doctype/customer/customer.py
index 1ce480fbd2e..8b5761f5930 100644
--- a/erpnext/selling/doctype/customer/customer.py
+++ b/erpnext/selling/doctype/customer/customer.py
@@ -145,6 +145,7 @@ class Customer(TransactionBase):
 	def validate(self):
 		self.flags.is_new_doc = self.is_new()
 		self.flags.old_lead = self.lead_name
+		self.validate_customer_group()
 		validate_party_accounts(self)
 		self.validate_credit_limit_on_change()
 		self.set_loyalty_program()
@@ -324,6 +325,17 @@ class Customer(TransactionBase):
 				frappe.NameError,
 			)
 
+	def validate_customer_group(self):
+		if not self.customer_group:
+			return
+
+		is_group = frappe.db.get_value("Customer Group", self.customer_group, "is_group")
+		if is_group:
+			frappe.throw(
+				_("Cannot select a Group type Customer Group. Please select a non-group Customer Group."),
+				title=_("Invalid Customer Group"),
+			)
+
 	def validate_credit_limit_on_change(self):
 		if self.get("__islocal") or not self.credit_limits:
 			return