diff --git a/cmd/tapir/e2e_upload_test.go b/cmd/tapir/e2e_upload_test.go
index c4bf649..2459374 100644
--- a/cmd/tapir/e2e_upload_test.go
+++ b/cmd/tapir/e2e_upload_test.go
@@ -129,10 +129,16 @@ func TestE2E_UploadTranscribeAndChat(t *testing.T) {
 
 	var status, endpoint, content string
 	var secs float64
+	var hadVideo bool
 	require.NoError(t, raw.QueryRow(ctx,
-		`SELECT status, endpoint, content, audio_seconds FROM uploaded_transcripts WHERE user_id = $1`, uid).
-		Scan(&status, &endpoint, &content, &secs))
-	t.Logf("done: endpoint=%s audio_s=%.1f transcript_chars=%d", endpoint, secs, len(content))
+		`SELECT status, endpoint, content, audio_seconds, had_video FROM uploaded_transcripts WHERE user_id = $1`, uid).
+		Scan(&status, &endpoint, &content, &secs, &hadVideo))
+	t.Logf("done: endpoint=%s audio_s=%.1f transcript_chars=%d had_video=%v", endpoint, secs, len(content), hadVideo)
+	if os.Getenv("TAPIR_E2E_HAD_VIDEO") == "1" {
+		// A Teams meeting with the camera off: a video file whose audio is what matters.
+		assert.True(t, hadVideo, "the file had a video track and the row must say so")
+		assert.Contains(t, page, "Only its audio was used", "and the user must be told")
+	}
 	assert.Equal(t, "done", status)
 	assert.NotEmpty(t, endpoint)
 	assert.NotEmpty(t, content)