diff --git a/.github/workflows/run_test.yml b/.github/workflows/run_test.yml
index 3fccbd8..4afee10 100644
--- a/.github/workflows/run_test.yml
+++ b/.github/workflows/run_test.yml
@@ -36,7 +36,6 @@ jobs:
 
     - name: Install platform-specific requirements (Windows)
       if: matrix.os == 'windows-latest'
-      shell: cmd
       run: |
         choco install --no-progress --yes mkvtoolnix
 
@@ -44,8 +43,16 @@ jobs:
       run: |
         pip install pytest
 
-    - name: Run tests
+    - name: Run tests (Ubuntu && macOS)
+      if: matrix.os != 'windows-latest'
       run: |
-        echo "C:\Program Files\MKVToolNix" >> $GITHUB_PATH
-        echo "{PATH}={C:\Program Files\MKVToolNix}" >> "$GITHUB_ENV"
         pytest
+
+    # Problem with the env var on Windows.
+    # If we don't refresh them in the same step has when we run pytest, mkvtoolnix isn't in the env var
+    - name: Run tests (Windows)
+      if: matrix.os == 'windows-latest'
+      run: |
+        Import-Module $env:ChocolateyInstall\helpers\chocolateyProfile.psm1
+        refreshenv
+        pytest
\ No newline at end of file