diff --git a/.github/workflows/preview.yml b/.github/workflows/preview.yml
index 2b2d5a7b1c..367c826a11 100644
--- a/.github/workflows/preview.yml
+++ b/.github/workflows/preview.yml
@@ -71,9 +71,6 @@ jobs:
         run: npm ci
         env:
           npm_config_arch: ${{ matrix.npm_config_arch }}
-      - name: Set preview in package.json
-        id: set-preview
-        run: npm run preview
       - name: Package VSIX
         run: npm run package -- --target=${{ matrix.vsce_target }}
         env:
diff --git a/build/downloader.ts b/build/downloader.ts
index de9e5da6fe..b2a80c049e 100644
--- a/build/downloader.ts
+++ b/build/downloader.ts
@@ -98,7 +98,7 @@ let arch = process.arch;
 // ls_target=linux_amd64 npm run package -- --target=linux-x64
 const lsTarget = process.env.ls_target;
 if (lsTarget !== undefined) {
-  const tgt = lsTarget.split('-');
+  const tgt = lsTarget.split('_');
   os = tgt[0];
   arch = tgt[1];
 }