diff --git a/src/core/libraries/np_manager/np_manager.cpp b/src/core/libraries/np_manager/np_manager.cpp
index a761caa73..e4c24cad3 100644
--- a/src/core/libraries/np_manager/np_manager.cpp
+++ b/src/core/libraries/np_manager/np_manager.cpp
@@ -874,8 +874,16 @@ int PS4_SYSV_ABI sceNpCheckCallback() {
     return ORBIS_OK;
 }
 
+struct NpStateCallbackForNpToolkit {
+    OrbisNpStateCallbackForNpToolkit func;
+    void* userdata;
+};
+
+NpStateCallbackForNpToolkit NpStateCbForNp;
+
 int PS4_SYSV_ABI sceNpCheckCallbackForLib() {
-    LOG_ERROR(Lib_NpManager, "(STUBBED) called");
+    // LOG_ERROR(Lib_NpManager, "(STUBBED) called");
+    NpStateCbForNp.func(0, ORBIS_NP_STATE_SIGNED_OUT, NpStateCbForNp.userdata);
     return ORBIS_OK;
 }
 
@@ -2507,9 +2515,12 @@ int PS4_SYSV_ABI Func_FF966E4351E564D6() {
     return ORBIS_OK;
 }
 
-int PS4_SYSV_ABI sceNpRegisterStateCallbackForToolkit() {
+int PS4_SYSV_ABI sceNpRegisterStateCallbackForToolkit(OrbisNpStateCallbackForNpToolkit callback,
+                                                      void* userdata) {
     LOG_ERROR(Lib_NpManager, "(STUBBED) called");
-    return ORBIS_OK;
+    NpStateCbForNp.func = callback;
+    NpStateCbForNp.userdata = userdata;
+    return 1;
 }
 
 int PS4_SYSV_ABI sceNpUnregisterStateCallbackForToolkit() {
diff --git a/src/core/libraries/np_manager/np_manager.h b/src/core/libraries/np_manager/np_manager.h
index 5955a40b4..fa0ac82f3 100644
--- a/src/core/libraries/np_manager/np_manager.h
+++ b/src/core/libraries/np_manager/np_manager.h
@@ -11,6 +11,15 @@ class SymbolsResolver;
 
 namespace Libraries::NpManager {
 
+enum OrbisNpState {
+    ORBIS_NP_STATE_UNKNOWN = 0,
+    ORBIS_NP_STATE_SIGNED_OUT,
+    ORBIS_NP_STATE_SIGNED_IN
+};
+
+using OrbisNpStateCallbackForNpToolkit = PS4_SYSV_ABI void (*)(s32 userId, OrbisNpState state,
+                                                               void* userdata);
+
 constexpr int ORBIS_NP_ONLINEID_MAX_LENGTH = 16;
 
 typedef int OrbisUserServiceUserId;
@@ -526,7 +535,8 @@ int PS4_SYSV_ABI Func_F91B5B25CC9B30D9();
 int PS4_SYSV_ABI Func_FC335B7102A585B3();
 int PS4_SYSV_ABI Func_FCEAC354CA8B206E();
 int PS4_SYSV_ABI Func_FF966E4351E564D6();
-int PS4_SYSV_ABI sceNpRegisterStateCallbackForToolkit();
+int PS4_SYSV_ABI sceNpRegisterStateCallbackForToolkit(OrbisNpStateCallbackForNpToolkit callback,
+                                                      void* userdata);
 int PS4_SYSV_ABI sceNpUnregisterStateCallbackForToolkit();
 
 void RegisterlibSceNpManager(Core::Loader::SymbolsResolver* sym);