diff --git a/rpcs3/Emu/Cell/Modules/sceNp.cpp b/rpcs3/Emu/Cell/Modules/sceNp.cpp
index 6432678dc3..638f7600ee 100644
--- a/rpcs3/Emu/Cell/Modules/sceNp.cpp
+++ b/rpcs3/Emu/Cell/Modules/sceNp.cpp
@@ -2165,11 +2165,29 @@ error_code sceNpCustomMenuRegisterActions(vm::cptr<SceNpCustomMenu> menu, vm::pt
 		return SCE_NP_CUSTOM_MENU_ERROR_NOT_INITIALIZED;
 	}
 
-	if (!menu || !handler)
+	if (!menu || !handler) // TODO: handler check might come later
 	{
 		return SCE_NP_CUSTOM_MENU_ERROR_INVALID_ARGUMENT;
 	}
 
+	if (menu->numActions > SCE_NP_CUSTOM_MENU_ACTION_ITEMS_TOTAL_MAX)
+	{
+		return SCE_NP_CUSTOM_MENU_ERROR_EXCEEDS_MAX;
+	}
+
+	for (u32 i = 0; i < menu->numActions; i++)
+	{
+		if (!menu->actions[i].name)
+		{
+			return SCE_NP_CUSTOM_MENU_ERROR_INVALID_ARGUMENT;
+		}
+
+		if (!memchr(menu->actions[i].name.get_ptr(), '\0', SCE_NP_CUSTOM_MENU_ACTION_CHARACTER_MAX))
+		{
+			return SCE_NP_CUSTOM_MENU_ERROR_EXCEEDS_MAX;
+		}
+	}
+
 	return CELL_OK;
 }
 
@@ -2184,6 +2202,8 @@ error_code sceNpCustomMenuActionSetActivation(vm::cptr<SceNpCustomMenuIndexArray
 		return SCE_NP_CUSTOM_MENU_ERROR_NOT_INITIALIZED;
 	}
 
+	// TODO: SCE_NP_CUSTOM_MENU_ERROR_NOT_REGISTERED
+
 	if (!array)
 	{
 		return SCE_NP_CUSTOM_MENU_ERROR_INVALID_ARGUMENT;
@@ -2203,17 +2223,18 @@ error_code sceNpCustomMenuRegisterExceptionList(vm::cptr<SceNpCustomMenuActionEx
 		return SCE_NP_CUSTOM_MENU_ERROR_NOT_INITIALIZED;
 	}
 
+	// TODO: SCE_NP_CUSTOM_MENU_ERROR_NOT_REGISTERED
+
+	if (numItems > SCE_NP_CUSTOM_MENU_EXCEPTION_ITEMS_MAX)
+	{
+		return SCE_NP_CUSTOM_MENU_ERROR_EXCEEDS_MAX;
+	}
+
 	if (!items)
 	{
 		return SCE_NP_CUSTOM_MENU_ERROR_INVALID_ARGUMENT;
 	}
 
-	if (numItems > SCE_NP_CUSTOM_MENU_ACTION_ITEMS_MAX)
-	{
-		// TODO: what about SCE_NP_CUSTOM_MENU_ACTION_ITEMS_TOTAL_MAX
-		return SCE_NP_CUSTOM_MENU_ERROR_EXCEEDS_MAX;
-	}
-
 	return CELL_OK;
 }
 
diff --git a/rpcs3/Emu/Cell/Modules/sceNp.h b/rpcs3/Emu/Cell/Modules/sceNp.h
index f3d9e04289..01fda93ccc 100644
--- a/rpcs3/Emu/Cell/Modules/sceNp.h
+++ b/rpcs3/Emu/Cell/Modules/sceNp.h
@@ -1205,7 +1205,7 @@ struct SceNpSignalingNetInfo
 struct SceNpCustomMenuAction
 {
 	be_t<u32> options;
-	char name[SCE_NP_CUSTOM_MENU_ACTION_CHARACTER_MAX];
+	vm::bcptr<char> name;
 	be_t<SceNpCustomMenuActionMask> mask;
 };