diff --git a/tests/xharness/Jenkins.cs b/tests/xharness/Jenkins.cs
index 692d2f2278cc..19c84d50222c 100644
--- a/tests/xharness/Jenkins.cs
+++ b/tests/xharness/Jenkins.cs
@@ -603,7 +603,7 @@ async Task<IEnumerable<TestTask>> CreateRunDeviceTasksAsync ()
 							TestName = project.Name,
 						};
 						buildWatch32.CloneTestProject (watchOSProject);
-						rv.Add (new RunDeviceTask (buildWatch32, Devices.ConnectedWatch) { Ignored = !IncludewatchOS });
+						projectTasks.Add (new RunDeviceTask (buildWatch32, Devices.ConnectedWatch) { Ignored = !IncludewatchOS });
 					}
 
 					if (!project.SkipwatchOSARM64_32Variation) {
@@ -615,7 +615,7 @@ async Task<IEnumerable<TestTask>> CreateRunDeviceTasksAsync ()
 							TestName = project.Name,
 						};
 						buildWatch64_32.CloneTestProject (watchOSProject);
-						rv.Add (new RunDeviceTask (buildWatch64_32, Devices.ConnectedWatch32_64.Where (d => d.IsSupported (project))) { Ignored = !IncludewatchOS });
+						projectTasks.Add (new RunDeviceTask (buildWatch64_32, Devices.ConnectedWatch32_64.Where (d => d.IsSupported (project))) { Ignored = !IncludewatchOS });
 					}
 				}
 				foreach (var task in projectTasks) {