diff --git a/buying/doctype/purchase_common/purchase_common.js b/buying/doctype/purchase_common/purchase_common.js
index 7553a49..0851db7 100644
--- a/buying/doctype/purchase_common/purchase_common.js
+++ b/buying/doctype/purchase_common/purchase_common.js
@@ -670,4 +670,4 @@
 	}
 }
 
-cur_frm.fields_dict.supplier.get_query = erpnext.utils.supplier_query;
\ No newline at end of file
+cur_frm.fields_dict.supplier && (cur_frm.fields_dict.supplier.get_query = erpnext.utils.supplier_query);
\ No newline at end of file