diff --git a/app/src/main/cpp/skyline/services/aocsrv/IAddOnContentManager.cpp b/app/src/main/cpp/skyline/services/aocsrv/IAddOnContentManager.cpp
index 6be8201e..99fe1a97 100644
--- a/app/src/main/cpp/skyline/services/aocsrv/IAddOnContentManager.cpp
+++ b/app/src/main/cpp/skyline/services/aocsrv/IAddOnContentManager.cpp
@@ -5,4 +5,9 @@
 
 namespace skyline::service::aocsrv {
     IAddOnContentManager::IAddOnContentManager(const DeviceState &state, ServiceManager &manager) : BaseService(state, manager) {}
+
+    Result IAddOnContentManager::ListAddOnContent(type::KSession &session, ipc::IpcRequest &request, ipc::IpcResponse &response) {
+        response.Push<u32>(0);
+        return {};
+    }
 }
diff --git a/app/src/main/cpp/skyline/services/aocsrv/IAddOnContentManager.h b/app/src/main/cpp/skyline/services/aocsrv/IAddOnContentManager.h
index 1ba9eb8e..232976b4 100644
--- a/app/src/main/cpp/skyline/services/aocsrv/IAddOnContentManager.h
+++ b/app/src/main/cpp/skyline/services/aocsrv/IAddOnContentManager.h
@@ -3,7 +3,7 @@
 
 #pragma once
 
-#include <services/serviceman.h>
+#include <services/base_service.h>
 
 namespace skyline::service::aocsrv {
     /**
@@ -13,5 +13,11 @@ namespace skyline::service::aocsrv {
     class IAddOnContentManager : public BaseService {
       public:
         IAddOnContentManager(const DeviceState &state, ServiceManager &manager);
+
+        Result ListAddOnContent(type::KSession &session, ipc::IpcRequest &request, ipc::IpcResponse &response);
+
+        SERVICE_DECL(
+            SFUNC(0x3, IAddOnContentManager, ListAddOnContent)
+        )
     };
 }