diff --git a/src/core/configuration/DevConfig.ts b/src/core/configuration/DevConfig.ts
index ddc48a2fd..2b713d9cb 100644
--- a/src/core/configuration/DevConfig.ts
+++ b/src/core/configuration/DevConfig.ts
@@ -34,6 +34,14 @@ export class DevServerConfig extends DefaultServerConfig {
   gitCommit(): string {
     return "DEV";
   }
+
+  domain(): string {
+    return "localhost";
+  }
+
+  subdomain(): string {
+    return "";
+  }
 }
 
 export class DevConfig extends DefaultConfig {