diff --git a/src/core/hle/service/ns/application_manager_interface.cpp b/src/core/hle/service/ns/application_manager_interface.cpp
index bed5057f37..5490c09d03 100644
--- a/src/core/hle/service/ns/application_manager_interface.cpp
+++ b/src/core/hle/service/ns/application_manager_interface.cpp
@@ -67,7 +67,7 @@ IApplicationManagerInterface::IApplicationManagerInterface(Core::System& system_
         {44, D<&IApplicationManagerInterface::GetSdCardMountStatusChangedEvent>, "GetSdCardMountStatusChangedEvent"},
         {45, nullptr, "GetGameCardAttachmentEvent"},
         {46, nullptr, "GetGameCardAttachmentInfo"},
-        {47, nullptr, "GetTotalSpaceSize"},
+        {47, D<&IApplicationManagerInterface::GetTotalSpaceSize>, "GetTotalSpaceSize"},
         {48, D<&IApplicationManagerInterface::GetFreeSpaceSize>, "GetFreeSpaceSize"},
         {49, nullptr, "GetSdCardRemovedEvent"},
         {52, D<&IApplicationManagerInterface::GetGameCardUpdateDetectionEvent>, "GetGameCardUpdateDetectionEvent"},
@@ -751,8 +751,12 @@ Result IApplicationManagerInterface::GetSdCardMountStatusChangedEvent(
     R_SUCCEED();
 }
 
-Result IApplicationManagerInterface::GetFreeSpaceSize(Out<s64> out_free_space_size,
-                                                      FileSys::StorageId storage_id) {
+Result IApplicationManagerInterface::GetTotalSpaceSize(Out<s64> out_total_space_size, FileSys::StorageId storage_id) {
+    LOG_DEBUG(Service_NS, "called");
+    R_RETURN(IContentManagementInterface(system).GetTotalSpaceSize(out_total_space_size, storage_id));
+}
+
+Result IApplicationManagerInterface::GetFreeSpaceSize(Out<s64> out_free_space_size, FileSys::StorageId storage_id) {
     LOG_DEBUG(Service_NS, "called");
     R_RETURN(IContentManagementInterface(system).GetFreeSpaceSize(out_free_space_size, storage_id));
 }
diff --git a/src/core/hle/service/ns/application_manager_interface.h b/src/core/hle/service/ns/application_manager_interface.h
index ffb744d3fa..245d59a068 100644
--- a/src/core/hle/service/ns/application_manager_interface.h
+++ b/src/core/hle/service/ns/application_manager_interface.h
@@ -50,6 +50,7 @@ public:
         u32 flags, u64 application_id, Uid account_id);
     Result CheckSdCardMountStatus();
     Result GetSdCardMountStatusChangedEvent(OutCopyHandle<Kernel::KReadableEvent> out_event);
+    Result GetTotalSpaceSize(Out<s64> out_total_space_size, FileSys::StorageId storage_id);
     Result GetFreeSpaceSize(Out<s64> out_free_space_size, FileSys::StorageId storage_id);
     Result GetGameCardUpdateDetectionEvent(OutCopyHandle<Kernel::KReadableEvent> out_event);
     Result ResumeAll();