[minor] don't trigger the expense type trigger if value is not set
diff --git a/erpnext/hr/doctype/expense_claim/expense_claim.js b/erpnext/hr/doctype/expense_claim/expense_claim.js
index 4ce91c4..2a94d05 100644
--- a/erpnext/hr/doctype/expense_claim/expense_claim.js
+++ b/erpnext/hr/doctype/expense_claim/expense_claim.js
@@ -27,6 +27,10 @@
 			return;
 		}
 
+		if(!d.expense_type) {
+			return;
+		}
+
 		return frappe.call({
 			method: "erpnext.hr.doctype.expense_claim.expense_claim.get_expense_claim_account",
 			args: {