diff --git a/proxmox-login/src/ticket.rs b/proxmox-login/src/ticket.rs
index 5784ef9c..9f98cc1f 100644
--- a/proxmox-login/src/ticket.rs
+++ b/proxmox-login/src/ticket.rs
@@ -240,6 +240,12 @@ impl Authentication {
     }
 }
 
+#[cfg(target_arch="wasm32")]
+fn epoch_i64() -> i64 {
+    (js_sys::Date::now() / 1000.0) as i64;
+}
+
+#[cfg(not(target_arch="wasm32"))]
 fn epoch_i64() -> i64 {
     use std::time::{SystemTime, UNIX_EPOCH};