diff --git a/src/core/hle/service/am/service/library_applet_accessor.cpp b/src/core/hle/service/am/service/library_applet_accessor.cpp
index cda8c3eb8..6e9f3f1d1 100644
--- a/src/core/hle/service/am/service/library_applet_accessor.cpp
+++ b/src/core/hle/service/am/service/library_applet_accessor.cpp
@@ -36,6 +36,7 @@ ILibraryAppletAccessor::ILibraryAppletAccessor(Core::System& system_,
         {120, nullptr, "GetLibraryAppletInfo"},
         {150, nullptr, "RequestForAppletToGetForeground"},
         {160, D<&ILibraryAppletAccessor::GetIndirectLayerConsumerHandle>, "GetIndirectLayerConsumerHandle"},
+        {90, D<&ILibraryAppletAccessor::Cmd90>, "Cmd90"},
     };
     // clang-format on
 
@@ -138,6 +139,11 @@ Result ILibraryAppletAccessor::GetIndirectLayerConsumerHandle(Out<u64> out_handl
     R_SUCCEED();
 }
 
+Result ILibraryAppletAccessor::Cmd90(InLargeData<std::array<u8, 0x20>, BufferAttr_HipcMapAlias> data) {
+    LOG_WARNING(Service_AM, "(STUBBED) called");
+    R_SUCCEED();
+}
+
 void ILibraryAppletAccessor::FrontendExecute() {
     if (m_applet->frontend) {
         m_applet->frontend->Initialize();
diff --git a/src/core/hle/service/am/service/library_applet_accessor.h b/src/core/hle/service/am/service/library_applet_accessor.h
index 36712821a..c88fc1e34 100644
--- a/src/core/hle/service/am/service/library_applet_accessor.h
+++ b/src/core/hle/service/am/service/library_applet_accessor.h
@@ -33,6 +33,7 @@ private:
     Result GetPopOutDataEvent(OutCopyHandle<Kernel::KReadableEvent> out_event);
     Result GetPopInteractiveOutDataEvent(OutCopyHandle<Kernel::KReadableEvent> out_event);
     Result GetIndirectLayerConsumerHandle(Out<u64> out_handle);
+    Result Cmd90(InLargeData<std::array<u8, 0x20>, BufferAttr_HipcMapAlias> data);
 
     void FrontendExecute();
     void FrontendExecuteInteractive();