diff --git a/Engine/Source/Runtime/CoreUObject/Private/UObject/UObjectGlobals.cpp b/Engine/Source/Runtime/CoreUObject/Private/UObject/UObjectGlobals.cpp
index 6152bf4865ee..ab0857bab0da 100644
--- a/Engine/Source/Runtime/CoreUObject/Private/UObject/UObjectGlobals.cpp
+++ b/Engine/Source/Runtime/CoreUObject/Private/UObject/UObjectGlobals.cpp
@@ -1661,9 +1661,15 @@ UPackage* LoadPackageInternal(UPackage* InOuter, const FPackagePath& PackagePath
 			PackageFlags |= PKG_PlayInEditor;
 		}
 #endif
-		constexpr int32 PIEInstanceID = INDEX_NONE;
-		constexpr int32 Priority = INT32_MAX;
-		int32 RequestID = LoadPackageAsync(PackagePath, PackageName, FLoadPackageAsyncDelegate(), PackageFlags, PIEInstanceID, Priority, InstancingContext, LoadFlags);
+		FLoadPackageAsyncOptionalParams OptionalParams
+		{
+			.CustomPackageName = PackageName,
+			.PackageFlags = PackageFlags,
+			.PackagePriority = INT32_MAX,
+			.InstancingContext = InstancingContext,
+			.LoadFlags = LoadFlags
+		};
+		int32 RequestID = LoadPackageAsync(PackagePath, MoveTemp(OptionalParams));
 
 		if (RequestID != INDEX_NONE)
 		{
diff --git a/Engine/Source/Runtime/Launch/Private/LaunchEngineLoop.cpp b/Engine/Source/Runtime/Launch/Private/LaunchEngineLoop.cpp
index ec4db34b6451..cd5817473188 100644
--- a/Engine/Source/Runtime/Launch/Private/LaunchEngineLoop.cpp
+++ b/Engine/Source/Runtime/Launch/Private/LaunchEngineLoop.cpp
@@ -5053,9 +5053,6 @@ void FEngineLoop::Exit()
 
 	// Make sure we're not in the middle of loading something.
 	{
-		// From now on it's not allowed to request new async loads
-		SetAsyncLoadingAllowed(false);
-
 		bool bFlushOnExit = true;
 		if (GConfig)
 		{
@@ -5070,6 +5067,9 @@ void FEngineLoop::Exit()
 		{
 			CancelAsyncLoading();
 		}
+		// From now on it's not allowed to request new async loads
+		// any new requests done during the scope of the flush should have been flushed as well, now prevent any new requests
+		SetAsyncLoadingAllowed(false);
 	}
 
 	// Block till all outstanding resource streaming requests are fulfilled.