diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 430d6f7a5..d3c49ad4a 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -173,9 +173,10 @@ jobs:
       - name: Configure CMake
         working-directory: ${{github.workspace}}/build
         run: |
+          $workspace = $env:RUNNER_WORKSPACE -replace '\\', '/'
           cmake $env:GITHUB_WORKSPACE -GNinja -DCMAKE_BUILD_TYPE=RelWithDebInfo -DURDE_VECTOR_ISA=sse41 `
             -DCMAKE_MSVC_RUNTIME_LIBRARY=MultiThreaded -DCMAKE_CXX_FLAGS= -DCMAKE_C_FLAGS= `
-            -DLLVM_ROOT_DIR="$env:RUNNER_WORKSPACE/LLVM" `
+            -DLLVM_ROOT_DIR="$workspace/LLVM" `
             -DURDE_DLPACKAGE=urde-$env:GITHUB_RUN_NUMBER-win32-msvc-x86_64
 
       - name: Build
@@ -249,12 +250,13 @@ jobs:
       - name: Configure CMake
         working-directory: ${{github.workspace}}/build
         run: |
+          $workspace = $env:RUNNER_WORKSPACE -replace '\\', '/'
           cmake $env:GITHUB_WORKSPACE -GNinja -DCMAKE_BUILD_TYPE=RelWithDebInfo -DURDE_VECTOR_ISA=sse41 `
             -DCMAKE_MSVC_RUNTIME_LIBRARY=MultiThreaded `
-            -DCMAKE_C_COMPILER="$env:RUNNER_WORKSPACE/LLVM/bin/clang-cl.exe" `
-            -DCMAKE_CXX_COMPILER="$env:RUNNER_WORKSPACE/LLVM/bin/clang-cl.exe" `
-            -DCMAKE_LINKER="$env:RUNNER_WORKSPACE/LLVM/bin/lld-link.exe" `
-            -DLLVM_ROOT_DIR="$env:RUNNER_WORKSPACE/LLVM" `
+            -DCMAKE_C_COMPILER="$workspace/LLVM/bin/clang-cl.exe" `
+            -DCMAKE_CXX_COMPILER="$workspace/LLVM/bin/clang-cl.exe" `
+            -DCMAKE_LINKER="$workspace/LLVM/bin/lld-link.exe" `
+            -DLLVM_ROOT_DIR="$workspace/LLVM" `
             -DURDE_DLPACKAGE=urde-$env:GITHUB_RUN_NUMBER-win32-clang-x86_64
 
       - name: Build