diff --git a/.github/workflows/UnitTesting.yml b/.github/workflows/UnitTesting.yml
index 3838c65..45f8d03 100644
--- a/.github/workflows/UnitTesting.yml
+++ b/.github/workflows/UnitTesting.yml
@@ -192,8 +192,8 @@ jobs:
         if: matrix.system == 'windows'
         run: |
           $env:ENVIRONMENT_NAME = "${{ matrix.envname }}"
-          cd ${{ inputs.tests_directory }}
-          $PYTEST_ARGS = if ("${{ inputs.artifact }}".length -gt 0) { "--junitxml=TestReportSummary.xml" } else { "" }
+          if ("${{ inputs.tests_directory }}") { cd "${{ inputs.tests_directory }}" }
+          $PYTEST_ARGS = if ("${{ inputs.artifact }}") { "--junitxml=TestReportSummary.xml" } else { "" }
           python -m pytest -rA ${{ inputs.unittest_directory }} $PYTEST_ARGS --color=yes
 
       - name: ☑ Run unit tests (Ubuntu/macOS)