diff --git a/.gitignore b/.gitignore
index 8ecbe5fcbd..6e291ec94d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -209,4 +209,7 @@ project.lock.json
 artifacts/
 
 #BenchmarkDotNet
-**/BenchmarkDotNet.Artifacts/
\ No newline at end of file
+**/BenchmarkDotNet.Artifacts/
+
+#CodeCoverage
+**/CodeCoverage/*
\ No newline at end of file
diff --git a/tests/CodeCoverage/CodeCoverage.cmd b/tests/CodeCoverage/CodeCoverage.cmd
index ddce403b0e..e4fe3f9382 100644
--- a/tests/CodeCoverage/CodeCoverage.cmd
+++ b/tests/CodeCoverage/CodeCoverage.cmd
@@ -12,7 +12,9 @@ cd ..
 cd ..
 
 rem The -threshold options prevents this taking ages...
-tests\CodeCoverage\OpenCover.4.6.519\tools\OpenCover.Console.exe -target:"C:\Program Files\dotnet\dotnet.exe" -targetargs:"test tests\ImageSharp.Tests -c Release -f net451" -threshold:10 -register:user -filter:"+[ImageSharp*]*" -excludebyattribute:*.ExcludeFromCodeCoverage* -hideskipped:All -output:.\ImageSharp.Coverage.xml
+tests\CodeCoverage\OpenCover.4.6.519\tools\OpenCover.Console.exe -target:"C:\Program Files\dotnet\dotnet.exe" -targetargs:"test tests\ImageSharp.Tests -c Release -f net451" -threshold:10 -register:user -filter:"+[ImageSharp*]*" -excludebyattribute:*.ExcludeFromCodeCoverage* -hideskipped:All -returntargetcode -output:.\ImageSharp.Coverage.xml
+
+if %errorlevel% neq 0 exit /b %errorlevel%
 
 SET PATH=C:\\Python34;C:\\Python34\\Scripts;%PATH%
 pip install codecov