diff --git a/.github/actions/setup/action.yml b/.github/actions/setup/action.yml
index bc1797d5c..fd211f00b 100644
--- a/.github/actions/setup/action.yml
+++ b/.github/actions/setup/action.yml
@@ -18,8 +18,16 @@ runs:
         cache: 'yarn'
         registry-url: 'https://npm.pkg.github.com'
 
-    - name: Setup yarn
+    - name: Setup yarn (Unix)
+      if: ${{ runner.os == 'Linux' || runner.os == 'macOS' }}
       run: chmod +x ${{ github.workspace }}/yarn.sh && ${{ github.workspace }}/yarn.sh
       shell: bash
       env:
         NPM_AUTH_TOKEN: ${{ inputs.npm-auth-token }}
+
+    - name: Setup yarn (Windows)
+      if: ${{ runner.os == 'Windows' }}
+      run: powershell -Command Set-ExecutionPolicy -ExecutionPolicy RemoteSigned -Scope Process; ${{ github.workspace }}/yarn.ps1
+      shell: pwsh
+      env:
+        NPM_AUTH_TOKEN: ${{ inputs.npm-auth-token }}
diff --git a/package.json b/package.json
index 5eae9c767..64192e66c 100644
--- a/package.json
+++ b/package.json
@@ -10,7 +10,7 @@
     "prepare": "is-ci || husky install",
     "update:sdk": "yarn up @plentymarkets/shop-api",
     "setup:unix": "chmod +x yarn.sh && ./yarn.sh && yarn build",
-    "setup:windows": "powershell -Command \"Set-ExecutionPolicy -ExecutionPolicy RemoteSigned -Scope Process; ./yarn.ps1\" && yarn build",
+    "setup:windows": "powershell -Command Set-ExecutionPolicy -ExecutionPolicy RemoteSigned -Scope Process; ./yarn.ps1 && yarn build",
     "turbo:disable-telemetry": "turbo telemetry disable",
     "build": "yarn turbo:disable-telemetry && turbo run build",
     "build:analyze": "yarn turbo:disable-telemetry && turbo run build:analyze",
diff --git a/yarn.ps1 b/yarn.ps1
index 59718de76..49879a972 100644
--- a/yarn.ps1
+++ b/yarn.ps1
@@ -47,7 +47,7 @@ yarn set version stable
 yarn set version 4.5.3 --yarn-path
 yarn config set nodeLinker node-modules
 yarn config set npmScopes.plentymarkets.npmRegistryServer "https://npm.pkg.github.com"
-yarn config set npmScopes.plentymarkets.npmAlwaysAuth $true
+yarn config set npmScopes.plentymarkets.npmAlwaysAuth true
 
 if ($env:GITHUB_ACTIONS) {
   if (-not $env:NPM_AUTH_TOKEN) {