diff --git a/erpnext/accounts/doctype/sales_invoice/regional/india_list.js b/erpnext/accounts/doctype/sales_invoice/regional/india_list.js
index d175827..3e1c522 100644
--- a/erpnext/accounts/doctype/sales_invoice/regional/india_list.js
+++ b/erpnext/accounts/doctype/sales_invoice/regional/india_list.js
@@ -16,17 +16,23 @@
 			}
 		}
 
-		var w = window.open(
-			frappe.urllib.get_full_url(
-				"/api/method/erpnext.regional.india.utils.generate_ewb_json?"
-				+ "dt=" + encodeURIComponent(doclist.doctype)
-				+ "&dn=" + encodeURIComponent(docnames)
-			)
-		);
-		if (!w) {
-			frappe.msgprint(__("Please enable pop-ups")); return;
-		}
-
+		frappe.call({
+			method: 'erpnext.regional.india.utils.generate_ewb_json',
+			args: {
+				'dt': doclist.doctype,
+				'dn': docnames
+			},
+			callback: function(r) {
+				if (r.message) {
+					const args = {
+						cmd: 'erpnext.regional.india.utils.download_ewb_json',
+						data: r.message,
+						docname: docnames
+					};
+					open_url_post(frappe.request.url, args);
+				}
+			}
+		});
 	};
 
 	doclist.page.add_actions_menu_item(__('Generate E-Way Bill JSON'), action, false);