diff --git a/rpcs3/Emu/Cell/Modules/cellSysutil.cpp b/rpcs3/Emu/Cell/Modules/cellSysutil.cpp
index 84da30ecc8..73207530f4 100644
--- a/rpcs3/Emu/Cell/Modules/cellSysutil.cpp
+++ b/rpcs3/Emu/Cell/Modules/cellSysutil.cpp
@@ -1,4 +1,4 @@
-#include "stdafx.h"
+#include "stdafx.h"
 #include "Emu/System.h"
 #include "Emu/IdManager.h"
 #include "Emu/Cell/PPUModule.h"
@@ -232,6 +232,12 @@ s32 cellSysutilGetSystemParamString(CellSysutilParamId id, vm::ptr<char> buf, u3
 	return CELL_OK;
 }
 
+// Note: the way we do things here is inaccurate(but maybe sufficient)
+// The real function goes over a table of 0x20 entries[ event_code:u32 callback_addr:u32 ]
+// Those callbacks are registered through cellSysutilRegisterCallbackDispatcher(u32 event_code, vm::ptr<void> func_addr)
+// The function goes through all the callback looking for one callback associated with event 0x100, if any is found it is called with parameters r3=0x101 r4=0
+// This particular CB seems to be associated with sysutil itself
+// Then it checks for events on an event_queue associated with sysutil, checks if any cb is associated with that event and calls them with parameters that come from the event
 error_code cellSysutilCheckCallback(ppu_thread& ppu)
 {
 	cellSysutil.trace("cellSysutilCheckCallback()");
diff --git a/rpcs3/Emu/Cell/Modules/sceNpTrophy.cpp b/rpcs3/Emu/Cell/Modules/sceNpTrophy.cpp
index a2341f2069..9c94a1c3a2 100644
--- a/rpcs3/Emu/Cell/Modules/sceNpTrophy.cpp
+++ b/rpcs3/Emu/Cell/Modules/sceNpTrophy.cpp
@@ -1,4 +1,4 @@
-#include "stdafx.h"
+#include "stdafx.h"
 #include "Emu/System.h"
 #include "Emu/IdManager.h"
 #include "Emu/Cell/PPUModule.h"
@@ -11,6 +11,7 @@
 
 #include "sceNp.h"
 #include "sceNpTrophy.h"
+#include "cellSysutil.h"
 
 #include "Utilities/StrUtil.h"
 
@@ -316,18 +317,28 @@ error_code sceNpTrophyRegisterContext(ppu_thread& ppu, u32 context, u32 handle,
 	// * Installed
 	// We will go with the easy path of Installed, and that's it.
 
-	auto statuses = {SCE_NP_TROPHY_STATUS_INSTALLED,
-					 SCE_NP_TROPHY_STATUS_PROCESSING_SETUP,
-					 SCE_NP_TROPHY_STATUS_PROCESSING_PROGRESS,
-					 SCE_NP_TROPHY_STATUS_PROCESSING_FINALIZE,
-					 SCE_NP_TROPHY_STATUS_PROCESSING_COMPLETE};
+	// The callback is called once and then if it returns >= 0 the cb is called through events(coming from vsh) that are passed to the CB through cellSysutilCheckCallback
+	if (statusCb(ppu, context, SCE_NP_TROPHY_STATUS_INSTALLED, 100, 100, arg) < 0)
+	{
+		return SCE_NP_TROPHY_ERROR_PROCESSING_ABORTED;
+	}
+
+	// This emulates vsh sending the events and ensures that not 2 events are processed at once
+	auto statuses =
+	{
+		SCE_NP_TROPHY_STATUS_PROCESSING_SETUP,
+		SCE_NP_TROPHY_STATUS_PROCESSING_PROGRESS,
+		SCE_NP_TROPHY_STATUS_PROCESSING_FINALIZE,
+		SCE_NP_TROPHY_STATUS_PROCESSING_COMPLETE
+	};
 
 	for (auto status : statuses)
 	{
-		if (statusCb(ppu, context, status, 100, 100, arg) < 0)
+		sysutil_register_cb([=](ppu_thread& cb_ppu) -> s32
 		{
-			return SCE_NP_TROPHY_ERROR_PROCESSING_ABORTED;
-		}
+			statusCb(cb_ppu, context, status, 100, 100, arg);
+			return 0;
+		});
 	}
 
 	return CELL_OK;