diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 210e989..3803e03 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -38,7 +38,15 @@ jobs:
       - name: Install Python packages (Windows only)
         if: ${{ matrix.os }} == 'windows-latest'
         run: |
-          pip install --user datetime matplotlib monotonic natsort joblib ompython simplejson psutil
+          pip install --user \
+            datetime \
+            matplotlib \
+            monotonic \
+            natsort \
+            joblib \
+            ompython \
+            simplejson \
+            psutil
 
       - name: Cache pip dependencies
         uses: actions/cache@v4
diff --git a/__tests__/main.test.ts b/__tests__/main.test.ts
index e2f72b2..b6f7c07 100644
--- a/__tests__/main.test.ts
+++ b/__tests__/main.test.ts
@@ -11,6 +11,7 @@ import * as os from 'os'
 import * as path from 'path'
 import * as core from '@actions/core'
 import * as main from '../src/main'
+import { getMSYS } from '../src/get-msys'
 
 // Some expected string
 const mdCoverageTable = `| Total | Frontend | Backend | SimCode | Templates | Compilation | Simulation | Verification |
@@ -112,7 +113,7 @@ describe('action', () => {
       expect(debugMock).toHaveBeenNthCalledWith(
         5,
         'Running python test.py --verbose --branch=master --noclean' +
-          ` ${os.platform() === 'win32' ? '--msysEnvironment=ucrt64' : ''}` +
+          ` ${os.platform() === 'win32' ? `--msysEnvironment=${getMSYS()}` : ''}` +
           ` ${path.join('configs', 'conf-MyLibrary.json')}`
       )
       expect(debugMock).toHaveBeenNthCalledWith(