diff --git a/appveyor.yml b/appveyor.yml
index e522ffde..9810f265 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -39,6 +39,6 @@ test_script:
   - nuget.exe install coveralls.net -ExcludeVersion
   - pip install codecov
 
-  - cmd: '"OpenCover\tools\OpenCover.Console.exe" -target:dotnet.exe -targetargs:"test test\WireMock.Net.Tests\WireMock.Net.Tests.csproj --no-build" -output:coverage.xml -returntargetcode -register:user -filter:"+[WireMock.Net]* -[WireMock.Net.Tests*]*" -nodefaultfilters -returntargetcode -oldstyle'
+  - cmd: '"OpenCover\tools\OpenCover.Console.exe" -target:dotnet.exe -targetargs:"test test\WireMock.Net.Tests\WireMock.Net.Tests.csproj --no-build" -output:coverage.xml -returntargetcode -register:user -filter:"+[WireMock.Net]* -[WireMock.Net.Tests*]*" -nodefaultfilters -returntargetcode -oldstyle -searchdirs:".\test\WireMock.Net.Tests\bin\%CONFIGURATION%\net452"'
   - codecov -f "coverage.xml"
   - coveralls.net\tools\csmacnz.Coveralls.exe --opencover -i .\coverage.xml
\ No newline at end of file
diff --git a/src/WireMock.Net/WireMock.Net.csproj b/src/WireMock.Net/WireMock.Net.csproj
index c0504d5b..e26d061b 100644
--- a/src/WireMock.Net/WireMock.Net.csproj
+++ b/src/WireMock.Net/WireMock.Net.csproj
@@ -19,7 +19,7 @@
     <GeneratePackageOnBuild>True</GeneratePackageOnBuild>
     <ApplicationIcon>../../WireMock.Net-Logo.ico</ApplicationIcon>
     <RootNamespace>WireMock</RootNamespace>
-    <DebugType>full</DebugType>
+    <DebugType>portable</DebugType>
     <IncludeSource>True</IncludeSource>
     <IncludeSymbols>True</IncludeSymbols>
   </PropertyGroup>