diff --git a/erpnext/templates/includes/footer/footer_extension.html b/erpnext/templates/includes/footer/footer_extension.html
index 5d706a4..23a6a34 100644
--- a/erpnext/templates/includes/footer/footer_extension.html
+++ b/erpnext/templates/includes/footer/footer_extension.html
@@ -12,7 +12,7 @@
 frappe.ready(function() {
 	$("#footer-subscribe-button").click(function() {
 
-		if($("#footer-subscribe-email").val() && valid_email($("#footer-subscribe-email").val())) {
+		if($("#footer-subscribe-email").val() && validate_email($("#footer-subscribe-email").val())) {
 			$("#footer-subscribe-email").attr('disabled', true);
 			$("#footer-subscribe-button").html("Sending...")
 				.attr("disabled", true);