diff --git a/r5dev/materialsystem/cmaterialsystem.cpp b/r5dev/materialsystem/cmaterialsystem.cpp
index 335592b1..4591a29f 100644
--- a/r5dev/materialsystem/cmaterialsystem.cpp
+++ b/r5dev/materialsystem/cmaterialsystem.cpp
@@ -23,7 +23,7 @@ InitReturnVal_t CMaterialSystem::Init(CMaterialSystem* thisptr)
 	// Only load the 'startup.rpak' file, as 'common_early.rpak' has assets
 	// that references assets in 'startup.rpak'.
 	RPakHandle_t pakHandle = g_pakLoadApi->LoadAsync("startup.rpak", AlignedMemAlloc(), 5, 0);
-	g_pakLoadApi->WaitAsync(pakHandle);
+	g_pakLoadApi->WaitAsync(pakHandle, nullptr);
 
 	// Trick: return INIT_FAILED to disable the loading of hardware
 	// configuration data, since we don't need it on the dedi.
diff --git a/r5dev/rtech/rtech_game.h b/r5dev/rtech/rtech_game.h
index 834186f9..c6c95adb 100644
--- a/r5dev/rtech/rtech_game.h
+++ b/r5dev/rtech/rtech_game.h
@@ -32,7 +32,7 @@ typedef struct PakLoadFuncs_s
 	char unknown2[16];
 	void* Func7;
 	void* Func8;
-	RPakStatus_t(*WaitAsync)(RPakHandle_t handle);
+	RPakStatus_t(*WaitAsync)(RPakHandle_t handle, void* pFinishCallback);
 	void* Func10;
 	void* Func11;
 	void* FindByGUID;
@@ -92,7 +92,7 @@ class V_RTechGame : public IDetour
 	}
 	virtual void GetVar(void) const
 	{
-		g_pakLoadApi = p_LauncherMain.Offset(0x800).FindPatternSelf("48 8D").ResolveRelativeAddressSelf(0x3, 0x7).RCast<PakLoadFuncs_t*>();
+		g_pakLoadApi = p_LauncherMain.Offset(0x820).FindPatternSelf("48 89").ResolveRelativeAddressSelf(0x3, 0x7).RCast<PakLoadFuncs_t*>();
 	}
 	virtual void GetCon(void) const
 	{