diff --git a/.github/workflows/msbuild.yml b/.github/workflows/msbuild.yml
index d7081ea..216e04b 100644
--- a/.github/workflows/msbuild.yml
+++ b/.github/workflows/msbuild.yml
@@ -70,8 +70,7 @@ jobs:
       id: cache-msfs-sdk
       uses: actions/cache@v2
       with:
-        path: |
-          $env:MSFS_SDK
+        path: ${{ env.MSFS_SDK }}
         key: msfs-sdk-${{ env.MSFS_SDK_VERSION }}
 
     - if: ${{ steps.cache-msfs-sdk.outputs.cache-hit != 'true' }}
@@ -104,7 +103,7 @@ jobs:
     - if: ${{ steps.cache-msfs-sdk.outputs.cache-hit != 'true' }}
       uses: actions/cache/save@v3
       with:
-        path: $env:MSFS_SDK
+        path: ${{ env.MSFS_SDK }}
         key: msfs-sdk-${{ env.MSFS_SDK_VERSION }}
 
     - name: Build