diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 6f802af10..8d30ffa20 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -385,7 +385,7 @@ jobs:
       - name: Copy and pack Cuda runtime
         run: |
           echo "Cuda install location: ${{steps.cuda-toolkit.outputs.CUDA_PATH}}"
-          set dst=.\build\bin\cudart\
+          $dst='.\build\bin\cudart\'
           robocopy "${{steps.cuda-toolkit.outputs.CUDA_PATH}}\bin" $dst cudart64_*.dll cublas64_*.dll cublasLt64_*.dll
           7z a cudart-llama-bin-win-cu${{ matrix.cuda }}-x64.zip $dst\*