diff --git a/erpnext/crm/doctype/opportunity/opportunity.js b/erpnext/crm/doctype/opportunity/opportunity.js
index ec17629..6e4d3ed 100644
--- a/erpnext/crm/doctype/opportunity/opportunity.js
+++ b/erpnext/crm/doctype/opportunity/opportunity.js
@@ -100,6 +100,10 @@
 				});
 			}
 		}
+
+		if (frm.doc.opportunity_from && frm.doc.party_name && !frm.doc.contact_person) {
+			frm.trigger("party_name");
+		}
 	},
 
 	set_contact_link: function(frm) {
diff --git a/erpnext/selling/doctype/quotation/quotation.js b/erpnext/selling/doctype/quotation/quotation.js
index 12f3260..fb5336b 100644
--- a/erpnext/selling/doctype/quotation/quotation.js
+++ b/erpnext/selling/doctype/quotation/quotation.js
@@ -23,6 +23,9 @@
 	refresh: function(frm) {
 		frm.trigger("set_label");
 		frm.trigger("set_dynamic_field_label");
+		if (frm.doc.quotation_to && frm.doc.party_name && !frm.doc.contact_person) {
+			frm.trigger("party_name");
+		}
 	},
 
 	quotation_to: function(frm) {