diff --git a/gtk2_ardour/rhythm_ferret.cc b/gtk2_ardour/rhythm_ferret.cc
index 859e8ddb1e..b1060a8a75 100644
--- a/gtk2_ardour/rhythm_ferret.cc
+++ b/gtk2_ardour/rhythm_ferret.cc
@@ -83,12 +83,12 @@ RhythmFerret::RhythmFerret (Editor& e)
 	, analyze_button (_("Analyze"))
 	, peak_picker_threshold_adjustment (0.3, 0.0, 1.0, 0.01, 0.1)
 	, peak_picker_threshold_scale (peak_picker_threshold_adjustment)
+	, silence_threshold_adjustment (-90.0, -120.0, 0.0, 1, 10)
+	, silence_threshold_scale (silence_threshold_adjustment)
 #ifdef HAVE_AUBIO4
 	, minioi_adjustment (4, 0, 40, 1, 5)
 	, minioi_scale (minioi_adjustment)
 #endif
-	, silence_threshold_adjustment (-90.0, -120.0, 0.0, 1, 10)
-	, silence_threshold_scale (silence_threshold_adjustment)
 	, trigger_gap_adjustment (3, 0, 100, 1, 10)
 	, trigger_gap_spinner (trigger_gap_adjustment)
 	, action_button (Stock::APPLY)