diff --git a/src/Microsoft.DotNet.Helix/Sdk/SendHelixJob.cs b/src/Microsoft.DotNet.Helix/Sdk/SendHelixJob.cs
index 89594057ddc..a4f18c4e2b4 100644
--- a/src/Microsoft.DotNet.Helix/Sdk/SendHelixJob.cs
+++ b/src/Microsoft.DotNet.Helix/Sdk/SendHelixJob.cs
@@ -223,6 +223,7 @@ protected override async Task ExecuteCore(CancellationToken cancellationToken)
                     "System.JobAttempt",
                     "System.PhaseName",
                     "System.PhaseAttempt",
+                    "System.PullRequest.TargetBranch",
                     "System.StageName",
                     "System.StageAttempt",
                 };