Show only users with Expense Approver role in Expense Claim Approver field
diff --git a/erpnext/hr/doctype/expense_claim/expense_claim.js b/erpnext/hr/doctype/expense_claim/expense_claim.js
index d279074..b556172 100644
--- a/erpnext/hr/doctype/expense_claim/expense_claim.js
+++ b/erpnext/hr/doctype/expense_claim/expense_claim.js
@@ -63,7 +63,7 @@
 
 	cur_frm.set_query("exp_approver", function() {
 		return {
-			filters: [["UserRole", "role", "=", "Expense Approver"]]
+			query: "erpnext.hr.doctype.expense_claim.expense_claim.get_expense_approver"
 		};
 	});
 }
diff --git a/erpnext/hr/doctype/expense_claim/expense_claim.py b/erpnext/hr/doctype/expense_claim/expense_claim.py
index 6687399..112a626 100644
--- a/erpnext/hr/doctype/expense_claim/expense_claim.py
+++ b/erpnext/hr/doctype/expense_claim/expense_claim.py
@@ -58,4 +58,13 @@
 	def validate_sanctioned_amount(self):
 		for d in self.get('expenses'):
 			if flt(d.sanctioned_amount) > flt(d.claim_amount):
-				frappe.throw(_("Sanctioned Amount cannot be greater than Claim Amount in Row {0}.").format(d.idx))
\ No newline at end of file
+				frappe.throw(_("Sanctioned Amount cannot be greater than Claim Amount in Row {0}.").format(d.idx))
+				
+
+@frappe.whitelist()
+def get_expense_approver(doctype, txt, searchfield, start, page_len, filters):
+	return frappe.db.sql("""
+		select u.name, concat(u.first_name, ' ', u.last_name) 
+		from tabUser u, tabUserRole r
+		where u.name = r.parent and r.role = 'Expense Approver' and u.name like %s
+	""", ("%" + txt + "%"))
\ No newline at end of file