diff --git a/vite.config.ts b/vite.config.ts
index a84e7e1..1cebe0b 100644
--- a/vite.config.ts
+++ b/vite.config.ts
@@ -5,6 +5,13 @@ export default defineConfig(({ mode }) => {
   // Load env file based on `mode` in the current working directory.
   // Set the third parameter to '' to load all env regardless of the `VITE_` prefix.
   const env = loadEnv(mode, process.cwd(), '')
+  
+  // Debug: Log what we're getting
+  console.log('🔧 Vite config - Environment variables:')
+  console.log('Mode:', mode)
+  console.log('process.env.VITE_TLDRAW_WORKER_URL:', process.env.VITE_TLDRAW_WORKER_URL)
+  console.log('env.VITE_TLDRAW_WORKER_URL:', env.VITE_TLDRAW_WORKER_URL)
+  console.log('Final worker URL:', process.env.VITE_TLDRAW_WORKER_URL || env.VITE_TLDRAW_WORKER_URL)
 
   return {
     envPrefix: ["VITE_"],
@@ -24,8 +31,9 @@ export default defineConfig(({ mode }) => {
       },
     },
     define: {
-      __WORKER_URL__: JSON.stringify(env.VITE_TLDRAW_WORKER_URL),
-      __DAILY_API_KEY__: JSON.stringify(env.VITE_DAILY_API_KEY)
+      // Use process.env for production builds, fallback to .env files for development
+      __WORKER_URL__: JSON.stringify(process.env.VITE_TLDRAW_WORKER_URL || env.VITE_TLDRAW_WORKER_URL),
+      __DAILY_API_KEY__: JSON.stringify(process.env.VITE_DAILY_API_KEY || env.VITE_DAILY_API_KEY)
     }
   }
 })