diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 0316dbd..9adbb17 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -70,7 +70,7 @@ jobs:
         working-directory: ${{ github.workspace }}
         shell: pwsh
         run: |
-          if ( ${{ matrix.arch }} -eq "x86" ) {
+          if ( "${{ matrix.arch }}" -eq "x86" ) {
             $env:TARGET_ARCH="x86"
           }
           $env:PATH="${{ github.workspace }}\.lua\lib;$env:PATH"