diff --git a/erpnext/accounts/report/consolidated_financial_statement/consolidated_financial_statement.py b/erpnext/accounts/report/consolidated_financial_statement/consolidated_financial_statement.py
index 39f4771..380e3a2 100644
--- a/erpnext/accounts/report/consolidated_financial_statement/consolidated_financial_statement.py
+++ b/erpnext/accounts/report/consolidated_financial_statement/consolidated_financial_statement.py
@@ -365,10 +365,10 @@
 	company_finance_book = erpnext.get_default_finance_book(filters.get("company"))
 
 	if not filters.get('finance_book') or (filters.get('finance_book') == company_finance_book):
-		additional_conditions.append("finance_book in ('%s', '')" %
+		additional_conditions.append("ifnull(finance_book, '') in ('%s', '')" %
 			frappe.db.escape(company_finance_book))
 	elif filters.get("finance_book"):
-		additional_conditions.append("finance_book = '%s' " %
+		additional_conditions.append("ifnull(finance_book, '') = '%s' " %
 			frappe.db.escape(filters.get("finance_book")))
 
 	return " and {}".format(" and ".join(additional_conditions)) if additional_conditions else ""
diff --git a/erpnext/accounts/report/financial_statements.py b/erpnext/accounts/report/financial_statements.py
index 7300b9c..f8eec9e 100644
--- a/erpnext/accounts/report/financial_statements.py
+++ b/erpnext/accounts/report/financial_statements.py
@@ -380,10 +380,10 @@
 		company_finance_book = erpnext.get_default_finance_book(filters.get("company"))
 
 		if not filters.get('finance_book') or (filters.get('finance_book') == company_finance_book):
-			additional_conditions.append("finance_book in ('%s', '')" %
+			additional_conditions.append("ifnull(finance_book, '') in ('%s', '')" %
 				frappe.db.escape(company_finance_book))
 		elif filters.get("finance_book"):
-			additional_conditions.append("finance_book = '%s' " %
+			additional_conditions.append("ifnull(finance_book, '') = '%s' " %
 				frappe.db.escape(filters.get("finance_book")))
 
 	return " and {}".format(" and ".join(additional_conditions)) if additional_conditions else ""