diff --git a/internal/web/uploads_progress_handler_test.go b/internal/web/uploads_progress_handler_test.go
index aab67e2..a7d9305 100644
--- a/internal/web/uploads_progress_handler_test.go
+++ b/internal/web/uploads_progress_handler_test.go
@@ -145,6 +145,7 @@ func TestUploadProgress_AHeartbeatThatStoppedMeansTheServiceIsLostAndTheJobIsNot
 	assert.Contains(t, b, "stopped reporting")
 	assert.Contains(t, b, "3 min", "how long ago it was last heard from")
 	assert.NotContains(t, b, "spinner", "a lost job must not wear the running spinner")
+	assert.Contains(t, b, "step-mark-warn", "the running phase of a lost job carries a warning mark, in the error colour, not the accent")
 	assert.Contains(t, b, `hx-trigger="every`, "it keeps asking: a restarted service comes back, or the start-up sweep fails the row")
 }