diff --git a/src/services/api.js b/src/services/api.js
index f8261f3..3bafd54 100644
--- a/src/services/api.js
+++ b/src/services/api.js
@@ -1,9 +1,19 @@
 import axios from "axios";
 
+const generateUUID = () => {
+  if (typeof crypto !== "undefined" && typeof crypto.randomUUID === "function") {
+    return crypto.randomUUID();
+  }
+  return "xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx".replace(/[xy]/g, (c) => {
+    const r = (Math.random() * 16) | 0;
+    return (c === "x" ? r : (r & 0x3) | 0x8).toString(16);
+  });
+};
+
 export const getUserId = () => {
   let id = localStorage.getItem("poster_picker_uid");
   if (!id) {
-    id = crypto.randomUUID();
+    id = generateUUID();
     localStorage.setItem("poster_picker_uid", id);
   }
   return id;