diff --git a/packages/a2a-server/src/http/app.ts b/packages/a2a-server/src/http/app.ts
index e647ecb05cb..05fdeceaf50 100644
--- a/packages/a2a-server/src/http/app.ts
+++ b/packages/a2a-server/src/http/app.ts
@@ -339,6 +339,7 @@ export async function createApp() {
           error:
             'Listing all task metadata is only supported when using InMemoryTaskStore.',
         });
+        return;
       }
       try {
         const wrappers = agentExecutor.getAllTasks();