diff --git a/erpnext/accounts/party.py b/erpnext/accounts/party.py
index ac1dfec..db741d9 100644
--- a/erpnext/accounts/party.py
+++ b/erpnext/accounts/party.py
@@ -831,9 +831,9 @@
 		"where "
 		"dl.link_doctype=%s "
 		"and dl.link_name=%s "
-		'and dl.parenttype="Address" '
+		"and dl.parenttype='Address' "
 		"and ifnull(ta.disabled, 0) = 0 and"
-		'(ta.address_type="Shipping" or ta.is_shipping_address=1) '
+		"(ta.address_type='Shipping' or ta.is_shipping_address=1) "
 		"order by ta.is_shipping_address desc, ta.address_type desc limit 1",
 		(doctype, name),
 	)