diff --git a/Pipeline/Build.CodeCoverage.cs b/Pipeline/Build.CodeCoverage.cs
index 890fd9cb5..6954e898b 100644
--- a/Pipeline/Build.CodeCoverage.cs
+++ b/Pipeline/Build.CodeCoverage.cs
@@ -20,6 +20,6 @@ partial class Build
 				.AddReports(TestResultsDirectory / "**/coverage.cobertura.xml")
 				.AddReportTypes(ReportTypes.OpenCover)
 				.AddFileFilters("-*.g.cs")
-				.SetAssemblyFilters("+TestableIO*"));
+				.SetAssemblyFilters("+TestableIO*", "+System.IO.Abstractions*"));
 		});
 }