diff --git a/frontend/cypress.config.ts b/frontend/cypress.config.ts
index 377f873a..eefc3865 100644
--- a/frontend/cypress.config.ts
+++ b/frontend/cypress.config.ts
@@ -1,6 +1,10 @@
 import { defineConfig } from "cypress";
 
 export default defineConfig({
+  env: {
+    // Expose Clerk publishable key to tests (used to compute Clerk origin for cy.origin).
+    NEXT_PUBLIC_CLERK_PUBLISHABLE_KEY: process.env.NEXT_PUBLIC_CLERK_PUBLISHABLE_KEY,
+  },
   e2e: {
     baseUrl: "http://localhost:3000",
     video: false,