diff --git a/.github/workflows/rust.yml b/.github/workflows/rust.yml
index 9387e40..2354866 100644
--- a/.github/workflows/rust.yml
+++ b/.github/workflows/rust.yml
@@ -57,8 +57,8 @@ jobs:
         $installs = @(
           @{ Name = 'Chocolatey'; Url = 'https://chocolatey.org/install.ps1'; Hash = $null; Action = { & "${{github.workspace}}\install.ps1" }},
           @{ Name = 'Visual Studio 2022 Build Tools (aarch64)'; Hash = $null; Url = $null; Action = { choco install visualstudio2022buildtools -y --no-progress --silent --package-parameters '--add Microsoft.VisualStudio.Component.VC.Tools.ARM64 --add Microsoft.VisualStudio.Component.Windows11SDK.22621' }},
-          @{ Name = 'Rust (nightly, aarch64)'; Url = 'https://static.rust-lang.org/rustup/dist/aarch64-pc-windows-msvc/rustup-init.exe'; Hash = $null; Action = { & '${{github.workspace}}\rustup-init.exe' --default-host aarch64-pc-windows-msvc --default-toolchain nightly -y }},
-          @{ Name = 'LLVM 19.1.5'; Url = 'https://github.com/llvm/llvm-project/releases/download/llvmorg-19.1.5/LLVM-19.1.5-woa64.exe'; Hash = 'https://static.rust-lang.org/rustup/dist/aarch64-pc-windows-msvc/rustup-init.exe.sha256'; Action = { & '${{github.workspace}}\LLVM-19.1.5-woa64.exe' /S }},
+          @{ Name = 'Rust (nightly, aarch64)'; Url = 'https://static.rust-lang.org/rustup/dist/aarch64-pc-windows-msvc/rustup-init.exe'; Hash = 'https://static.rust-lang.org/rustup/dist/aarch64-pc-windows-msvc/rustup-init.exe.sha256'; Action = { & '${{github.workspace}}\rustup-init.exe' --default-host aarch64-pc-windows-msvc --default-toolchain nightly -y }},
+          @{ Name = 'LLVM 19.1.5'; Url = 'https://github.com/llvm/llvm-project/releases/download/llvmorg-19.1.5/LLVM-19.1.5-woa64.exe'; Hash = '63D479C19C3908F8C973331EDC9B576485EAB6AB0809F58C79DF5D209FDD8F96'; Action = { & '${{github.workspace}}\LLVM-19.1.5-woa64.exe' /S }},
           @{ Name = 'Git 2.48.0-rc1'; Url = 'https://github.com/git-for-windows/git/releases/download/v2.48.0-rc2.windows.1/Git-2.48.0-rc2-arm64.exe'; Hash = '712739bb49832d571732e3e74b111d7cb4a63cd622ef3e87d01efe35046d9a4f'; Action = { & '${{github.workspace}}\Git-2.48.0-rc2-arm64.exe' /VERYSILENT }}
         )
 
@@ -66,7 +66,7 @@ jobs:
           Log "Downloading $($_.Name) from $($_.Url)..."
           Invoke-WebRequest -Uri $_.Url -OutFile (Join-Path ${{github.workspace}} (Split-Path $_.Url -Leaf))
 
-          if ($_.Hash) {
+          if ($_.Hash -ne $null) {
               $expectedHash = if ($_.Hash -like "*.sha256") {
                 Invoke-WebRequest -Uri $_.Hash -OutFile (Join-Path ${{github.workspace}} (Split-Path $_.Hash -Leaf))
                 (Get-Content -Path $hashFile).Trim()