diff --git a/erpnext/accounts/report/item_wise_purchase_register/item_wise_purchase_register.py b/erpnext/accounts/report/item_wise_purchase_register/item_wise_purchase_register.py
index 8b929bf..5d3d4d7 100644
--- a/erpnext/accounts/report/item_wise_purchase_register/item_wise_purchase_register.py
+++ b/erpnext/accounts/report/item_wise_purchase_register/item_wise_purchase_register.py
@@ -287,7 +287,7 @@
 	conditions = ""
 
 	for opts in (
-		("company", " and company=%(company)s"),
+		("company", " and `tabPurchase Invoice`.company=%(company)s"),
 		("supplier", " and `tabPurchase Invoice`.supplier = %(supplier)s"),
 		("item_code", " and `tabPurchase Invoice Item`.item_code = %(item_code)s"),
 		("from_date", " and `tabPurchase Invoice`.posting_date>=%(from_date)s"),
diff --git a/erpnext/accounts/report/item_wise_sales_register/item_wise_sales_register.py b/erpnext/accounts/report/item_wise_sales_register/item_wise_sales_register.py
index 1e7ac33..ce22d75 100644
--- a/erpnext/accounts/report/item_wise_sales_register/item_wise_sales_register.py
+++ b/erpnext/accounts/report/item_wise_sales_register/item_wise_sales_register.py
@@ -332,7 +332,7 @@
 	conditions = ""
 
 	for opts in (
-		("company", " and company=%(company)s"),
+		("company", " and `tabSales Invoice`.company=%(company)s"),
 		("customer", " and `tabSales Invoice`.customer = %(customer)s"),
 		("item_code", " and `tabSales Invoice Item`.item_code = %(item_code)s"),
 		("from_date", " and `tabSales Invoice`.posting_date>=%(from_date)s"),