From 0d140c4f39da982c76e9ad6f0b711b33a853caee Mon Sep 17 00:00:00 2001
From: Ari Vuollet <ari.vuollet@goat.moe>
Date: Fri, 24 Oct 2025 23:21:46 +0300
Subject: [PATCH] Fix Windows dotnet version lookup without installed SDK

Having only x86 dotnet SDK installed while expecting x64 version fails
prematurely.
---
 Source/Tools/Flax.Build/Build/DotNet/DotNetSdk.cs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Source/Tools/Flax.Build/Build/DotNet/DotNetSdk.cs b/Source/Tools/Flax.Build/Build/DotNet/DotNetSdk.cs
index d12e4b8df..7e55377fd 100644
--- a/Source/Tools/Flax.Build/Build/DotNet/DotNetSdk.cs
+++ b/Source/Tools/Flax.Build/Build/DotNet/DotNetSdk.cs
@@ -218,8 +218,8 @@ namespace Flax.Build
                     using RegistryKey runtimeKey = baseKey.OpenSubKey(@$"SOFTWARE\WOW6432Node\dotnet\Setup\InstalledVersions\{arch}\sharedfx\Microsoft.NETCore.App");
                     using RegistryKey hostKey = baseKey.OpenSubKey(@$"SOFTWARE\dotnet\Setup\InstalledVersions\{arch}\sharedhost");
                     dotnetPath = (string)hostKey.GetValue("Path");
-                    dotnetSdkVersions = sdkVersionsKey.GetValueNames();
-                    dotnetRuntimeVersions = runtimeKey.GetValueNames();
+                    dotnetSdkVersions = sdkVersionsKey?.GetValueNames() ?? Enumerable.Empty<string>();
+                    dotnetRuntimeVersions = runtimeKey?.GetValueNames() ?? Enumerable.Empty<string>();
                 }
 #pragma warning restore CA1416
                 break;