diff --git a/build-tools/automation/templates/publish-test-results.yaml b/build-tools/automation/templates/publish-test-results.yaml
index 782c367e2..505dece61 100644
--- a/build-tools/automation/templates/publish-test-results.yaml
+++ b/build-tools/automation/templates/publish-test-results.yaml
@@ -9,7 +9,7 @@ steps:
 
 - task: PublishTestResults@2
   displayName: Publish JUnit Test Results
-  condition: ne('$(Agent.OS)', 'Windows')
+  condition: ne(variables['agent.os'], 'Windows_NT')
   inputs:
     testResultsFormat: JUnit
     testResultsFiles: '**/TEST-*.xml'