diff --git a/src/core/hle/service/aoc/addon_content_manager.cpp b/src/core/hle/service/aoc/addon_content_manager.cpp
index d47f57d64..ea1cc8cbe 100644
--- a/src/core/hle/service/aoc/addon_content_manager.cpp
+++ b/src/core/hle/service/aoc/addon_content_manager.cpp
@@ -190,8 +190,11 @@ Result IAddOnContentManager::NotifyUnmountAddOnContent() {
     R_SUCCEED();
 }
 
-Result IAddOnContentManager::CheckAddOnContentMountStatus() {
-    LOG_WARNING(Service_AOC, "(STUBBED) called");
+Result IAddOnContentManager::CheckAddOnContentMountStatus(Out<bool> out_mounted) {
+    LOG_DEBUG(Service_AOC, "called");
+
+    // Return whether add-on content is currently mounted
+    *out_mounted = false;
 
     R_SUCCEED();
 }
diff --git a/src/core/hle/service/aoc/addon_content_manager.h b/src/core/hle/service/aoc/addon_content_manager.h
index 91857df4c..8ae91a2b3 100644
--- a/src/core/hle/service/aoc/addon_content_manager.h
+++ b/src/core/hle/service/aoc/addon_content_manager.h
@@ -34,7 +34,7 @@ public:
         OutCopyHandle<Kernel::KReadableEvent> out_event, ClientProcessId process_id);
     Result NotifyMountAddOnContent();
     Result NotifyUnmountAddOnContent();
-    Result CheckAddOnContentMountStatus();
+    Result CheckAddOnContentMountStatus(Out<bool> out_mounted);
     Result CreateEcPurchasedEventManager(OutInterface<IPurchaseEventManager> out_interface);
     Result CreatePermanentEcPurchasedEventManager(
         OutInterface<IPurchaseEventManager> out_interface);