diff --git a/erpnext/accounts/report/purchase_register/purchase_register.py b/erpnext/accounts/report/purchase_register/purchase_register.py
index e8a1e79..a05d581 100644
--- a/erpnext/accounts/report/purchase_register/purchase_register.py
+++ b/erpnext/accounts/report/purchase_register/purchase_register.py
@@ -232,12 +232,12 @@
 
 					conditions += (
 						common_condition
-						+ "and ifnull(`tabPurchase Invoice Item`.{0}, '') in %({0})s)".format(dimension.fieldname)
+						+ "and ifnull(`tabPurchase Invoice`.{0}, '') in %({0})s)".format(dimension.fieldname)
 					)
 				else:
 					conditions += (
 						common_condition
-						+ "and ifnull(`tabPurchase Invoice Item`.{0}, '') in %({0})s)".format(dimension.fieldname)
+						+ "and ifnull(`tabPurchase Invoice`.{0}, '') in %({0})s)".format(dimension.fieldname)
 					)
 
 	return conditions
diff --git a/erpnext/accounts/report/sales_register/sales_register.py b/erpnext/accounts/report/sales_register/sales_register.py
index 06e3c61..b333901 100644
--- a/erpnext/accounts/report/sales_register/sales_register.py
+++ b/erpnext/accounts/report/sales_register/sales_register.py
@@ -390,12 +390,12 @@
 
 					conditions += (
 						common_condition
-						+ "and ifnull(`tabSales Invoice Item`.{0}, '') in %({0})s)".format(dimension.fieldname)
+						+ "and ifnull(`tabSales Invoice`.{0}, '') in %({0})s)".format(dimension.fieldname)
 					)
 				else:
 					conditions += (
 						common_condition
-						+ "and ifnull(`tabSales Invoice Item`.{0}, '') in %({0})s)".format(dimension.fieldname)
+						+ "and ifnull(`tabSales Invoice`.{0}, '') in %({0})s)".format(dimension.fieldname)
 					)
 
 	return conditions