diff --git a/erpnext/accounts/doctype/sales_invoice/pos.py b/erpnext/accounts/doctype/sales_invoice/pos.py
index 36c2365..63db16c 100644
--- a/erpnext/accounts/doctype/sales_invoice/pos.py
+++ b/erpnext/accounts/doctype/sales_invoice/pos.py
@@ -16,6 +16,8 @@
 	doc = frappe.new_doc('Sales Invoice')
 	doc.is_pos = 1;
 	pos_profile = get_pos_profile(doc.company) or {}
+	if not pos_profile:
+		frappe.throw(_("POS Profile is required to use Point-of-Sale"))
 	if not doc.company: doc.company = pos_profile.get('company')
 	doc.update_stock = pos_profile.get('update_stock')
 
diff --git a/erpnext/patches/v9_0/add_user_to_child_table_in_pos_profile.py b/erpnext/patches/v9_0/add_user_to_child_table_in_pos_profile.py
index b2093c6..e7833c0 100644
--- a/erpnext/patches/v9_0/add_user_to_child_table_in_pos_profile.py
+++ b/erpnext/patches/v9_0/add_user_to_child_table_in_pos_profile.py
@@ -6,7 +6,8 @@
 
 def execute():
 	doctype = 'POS Profile'
-	frappe.reload_doctype(doctype)
+	frappe.reload_doc('accounts', 'doctype', doctype)
+	frappe.reload_doc('accounts', 'doctype', 'POS Profile User')
 
 	for doc in frappe.get_all(doctype):
 		_doc = frappe.get_doc(doctype, doc.name)
diff --git a/erpnext/selling/page/point_of_sale/point_of_sale.js b/erpnext/selling/page/point_of_sale/point_of_sale.js
index 56b341f..cc22966 100644
--- a/erpnext/selling/page/point_of_sale/point_of_sale.js
+++ b/erpnext/selling/page/point_of_sale/point_of_sale.js
@@ -326,6 +326,9 @@
 							__('Select POS Profile')
 						);
 					}
+				} else {
+					frappe.dom.unfreeze();
+					frappe.throw(__("POS Profile is required to use Point-of-Sale"));
 				}
 			});
 		});
diff --git a/erpnext/tests/ui/tests.txt b/erpnext/tests/ui/tests.txt
index 24858f3..6cf3794 100644
--- a/erpnext/tests/ui/tests.txt
+++ b/erpnext/tests/ui/tests.txt
@@ -50,8 +50,8 @@
 erpnext/schools/doctype/instructor/test_instructor.js
 erpnext/stock/doctype/warehouse/test_warehouse.js
 erpnext/manufacturing/doctype/production_order/test_production_order.js #long
-erpnext/selling/page/point_of_sale/tests/test_point_of_sale.js
 erpnext/accounts/page/pos/test_pos.js
+erpnext/selling/page/point_of_sale/tests/test_point_of_sale.js
 erpnext/selling/doctype/product_bundle/test_product_bundle.js
 erpnext/stock/doctype/delivery_note/test_delivery_note.js
 erpnext/stock/doctype/material_request/tests/test_material_request.js