diff --git a/src/libraries/System.Diagnostics.Tracing/tests/BasicEventSourceTest/TestUtilities.cs b/src/libraries/System.Diagnostics.Tracing/tests/BasicEventSourceTest/TestUtilities.cs
index 78c978be3451ef..9de8946d9275ce 100644
--- a/src/libraries/System.Diagnostics.Tracing/tests/BasicEventSourceTest/TestUtilities.cs
+++ b/src/libraries/System.Diagnostics.Tracing/tests/BasicEventSourceTest/TestUtilities.cs
@@ -32,6 +32,7 @@ public static void CheckNoEventSourcesRunning(string message = "")
                     eventSource.Name != "Microsoft-Windows-DotNETRuntime" &&
                     eventSource.Name != "System.Runtime" &&
                     eventSource.Name != "System.Diagnostics.Metrics" &&
+                    eventSource.Name != "Microsoft-Diagnostics-DiagnosticSource" &&
 
                     // event source from xunit runner
                     eventSource.Name != "xUnit.TestEventSource" &&