diff --git a/appveyor.yml b/appveyor.yml
index 103fbeeb..98143764 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -26,13 +26,13 @@ test_script:
           dotnet sonarscanner begin /k:"mganss_XmlSchemaClassGenerator" /v:$env:APPVEYOR_BUILD_VERSION /o:"mganss-github" /d:sonar.host.url="https://sonarcloud.io" /d:sonar.login="$env:sonar_token" /d:sonar.cs.opencover.reportsPaths="$($env:APPVEYOR_BUILD_FOLDER)\coverage.net6.0.xml" /d:sonar.coverage.exclusions="**/Program.cs"
           dotnet build
       }
-  - dotnet test /p:CollectCoverage=true /p:CoverletOutputFormat=opencover /p:CoverletOutputFormat=opencover /p:CoverletOutput="..\coverage.xml" XmlSchemaClassGenerator.Tests\XmlSchemaClassGenerator.Tests.csproj /p:Include="[XmlSchemaClassGenerator]*" -f net6.0
+  - dotnet test /p:CollectCoverage=true /p:CoverletOutputFormat=opencover /p:CoverletOutput="..\coverage.json" XmlSchemaClassGenerator.Tests\XmlSchemaClassGenerator.Tests.csproj /p:Include="[XmlSchemaClassGenerator]*" -f net6.0
   - ps: |
       if (-not $env:APPVEYOR_PULL_REQUEST_NUMBER) {
           dotnet sonarscanner end /d:sonar.login="$env:sonar_token"
       }
   - pip install codecov
-  - codecov -f "coverage.net6.0.xml"
+  - codecov -f "coverage.net6.0.json"
 artifacts:
   - path: 'XmlSchemaClassGenerator\**\*.*nupkg'
   - path: 'XmlSchemaClassGenerator.Console\**\*.*nupkg'