diff --git a/erpnext/accounts/doctype/exchange_rate_revaluation/exchange_rate_revaluation.py b/erpnext/accounts/doctype/exchange_rate_revaluation/exchange_rate_revaluation.py
index d56f5b660f6..8d47bcbd118 100644
--- a/erpnext/accounts/doctype/exchange_rate_revaluation/exchange_rate_revaluation.py
+++ b/erpnext/accounts/doctype/exchange_rate_revaluation/exchange_rate_revaluation.py
@@ -82,7 +82,7 @@ class ExchangeRateRevaluation(Document):
 				from `tabGL Entry`
 				where account in (%s)
 				and posting_date <= %s
-				group by account, party_type, party
+				group by account, NULLIF(party_type,''), NULLIF(party,'')
 				having sum(debit) != sum(credit)
 				order by account
 			""" % (', '.join(['%s']*len(accounts)), '%s'), tuple(accounts + [self.posting_date]), as_dict=1)