diff --git a/xybrid/ui/gadgets/knobgadget.cpp b/xybrid/ui/gadgets/knobgadget.cpp
index 17b05c3..7298931 100644
--- a/xybrid/ui/gadgets/knobgadget.cpp
+++ b/xybrid/ui/gadgets/knobgadget.cpp
@@ -222,35 +222,10 @@ QString KnobGadget::textGain(double d) { return (d > 0 ? qs("+%1dB") : qs("%1dB"
 QString KnobGadget::textBalance(double d) { return (d > 0 ? qs("+%1%") : qs("%1%")).arg(d*100); }
 
 void KnobGadget::autoCreate(LayoutGadget* l, NodeLib::ADSR& adsr) {
-    KnobGadget* k;
+    KnobGadget* k [[maybe_unused]];
 
-    k = new KnobGadget(l);
-    k->min = 0.0;
-    k->max = 5.0;
-    k->step = .01;
-    k->bind(adsr.a);
-    k->setLabel("Attack");
-
-    k = new KnobGadget(l);
-    k->min = 0.0;
-    k->max = 5.0;
-    k->step = .01;
-    k->bind(adsr.d);
-    k->setLabel("Decay");
-
-    k = new KnobGadget(l);
-    k->min = 0.0;
-    k->max = 1.0;
-    k->defaultVal = 1.0;
-    k->step = .01;
-    k->bind(adsr.s);
-    k->setLabel("Sustain");
-    k->setTextFunc(KnobGadget::textPercent);
-
-    k = new KnobGadget(l);
-    k->min = 0.0;
-    k->max = 5.0;
-    k->step = .01;
-    k->bind(adsr.r);
-    k->setLabel("Release");
+    k = (new KnobGadget(l))->setRange(0.0, 5.0, 0.01)->bind(adsr.a)->setLabel(qs("Attack"));
+    k = (new KnobGadget(l))->setRange(0.0, 5.0, 0.01)->bind(adsr.d)->setLabel(qs("Decay"));
+    k = KnobGadget::autoPercent(l, adsr.s)->setLabel(qs("Sustain"));
+    k = (new KnobGadget(l))->setRange(0.0, 5.0, 0.01)->bind(adsr.r)->setLabel(qs("Release"));
 }