[minor] fix typo
diff --git a/erpnext/accounts/doctype/sales_invoice/sales_invoice.js b/erpnext/accounts/doctype/sales_invoice/sales_invoice.js
index dd42f45..734684f 100644
--- a/erpnext/accounts/doctype/sales_invoice/sales_invoice.js
+++ b/erpnext/accounts/doctype/sales_invoice/sales_invoice.js
@@ -83,7 +83,7 @@
 				cur_frm.meta.default_print_format = cur_frm.pos_print_format;
 			}
 		} else {
-			if(cur_frm.meta.cur_frm.meta._default_print_format) {
+			if(cur_frm.meta._default_print_format) {
 				cur_frm.meta.default_print_format = cur_frm.meta._default_print_format;
 				cur_frm.meta._default_print_format = null;
 			}