diff --git a/tufaceous-lib/src/assemble/manifest.rs b/tufaceous-lib/src/assemble/manifest.rs
index 409c85808c..437b84e7b0 100644
--- a/tufaceous-lib/src/assemble/manifest.rs
+++ b/tufaceous-lib/src/assemble/manifest.rs
@@ -261,9 +261,10 @@ impl<'a> FakeDataAttributes<'a> {
             | KnownArtifactKind::Trampoline
             | KnownArtifactKind::ControlPlane => return make_filler_text(size),
 
-            // hubris artifacts: build a fake archive
-            KnownArtifactKind::GimletSp => "fake-gimlet-sp",
-            KnownArtifactKind::GimletRot => "fake-gimlet-rot",
+            // hubris artifacts: build a fake archive (SimGimletSp and
+            // SimGimletRot are used by sp-sim)
+            KnownArtifactKind::GimletSp => "SimGimletSp",
+            KnownArtifactKind::GimletRot => "SimGimletRot",
             KnownArtifactKind::PscSp => "fake-psc-sp",
             KnownArtifactKind::PscRot => "fake-psc-rot",
             KnownArtifactKind::SwitchSp => "fake-sidecar-sp",
diff --git a/wicketd/tests/integration_tests/updates.rs b/wicketd/tests/integration_tests/updates.rs
index a9be9d4747..aa145a0f16 100644
--- a/wicketd/tests/integration_tests/updates.rs
+++ b/wicketd/tests/integration_tests/updates.rs
@@ -169,7 +169,7 @@ async fn test_updates() {
         StepEventKind::ExecutionFailed { failed_step, .. } => {
             // TODO: obviously we shouldn't stop here, get past more of the
             // update process in this test.
-            assert_eq!(failed_step.info.component, UpdateComponent::Sp);
+            assert_eq!(failed_step.info.component, UpdateComponent::Rot);
         }
         other => {
             panic!("unexpected terminal event kind: {other:?}");