diff --git a/apps/web/next.config.js b/apps/web/next.config.js
index 555890c..bd4b01a 100644
--- a/apps/web/next.config.js
+++ b/apps/web/next.config.js
@@ -14,7 +14,7 @@ const nextConfig = {
       },
     ];
   },
-  webpack(config) {
+  webpack(config, { isServer }) {
     config.experiments = { ...config.experiments, topLevelAwait: true };
     config.resolve.fallback = {
       fs: false,
@@ -37,6 +37,10 @@ const nextConfig = {
       }),
     );
 
+    if (isServer) {
+      config.externals.push('o1js');
+    }
+
     return config;
   },
   compress: false,