diff --git a/plugin/ui.cpp b/plugin/ui.cpp
index b435a45..b638d60 100644
--- a/plugin/ui.cpp
+++ b/plugin/ui.cpp
@@ -26,72 +26,73 @@ DistrhoUIchassis::DistrhoUIchassis() : UI(Art::backgroundWidth, Art::backgroundH
     Image whiteSlider(Art::whiteData, Art::sliderWidth, Art::sliderHeight, kImageFormatRGBA);
 
     xSliderLFORate = new ImageSlider(this, orangeSlider);
-    prepSlider(xSliderLFORate, pLFORate, 50, 72);
+    prepSlider(xSliderLFORate, pLFORate, 46, 72);
     xSliderLFORate->setCallback(this);
 
     xSliderLFODelay = new ImageSlider(this, orangeSlider);
-    prepSlider(xSliderLFODelay, pLFODelay, 90, 72);
+    prepSlider(xSliderLFODelay, pLFODelay, 84, 72);
     xSliderLFODelay->setCallback(this);
 
     xSliderLFODepth = new ImageSlider(this, greenSlider);
-    prepSlider(xSliderLFODepth, pLFODepth, 292, 72);
+    prepSlider(xSliderLFODepth, pLFODepth, 290, 72);
     xSliderLFODepth->setCallback(this);
 
     xSliderPWMDepth = new ImageSlider(this, greenSlider);
-    prepSlider(xSliderPWMDepth, pPWMDepth, 331, 72);
+    prepSlider(xSliderPWMDepth, pPWMDepth, 329, 72);
     xSliderPWMDepth->setCallback(this);
 
     xSliderSubLevel = new ImageSlider(this, greenSlider);
-    prepSlider(xSliderSubLevel, pSubLevel, 517, 72);
+    prepSlider(xSliderSubLevel, pSubLevel, 510, 72);
     xSliderSubLevel->setCallback(this);
 
     xSliderNoiseLevel = new ImageSlider(this, greenSlider);
-    prepSlider(xSliderNoiseLevel, pNoiseLevel, 558, 72);
+    prepSlider(xSliderNoiseLevel, pNoiseLevel, 551, 72);
     xSliderNoiseLevel->setCallback(this);
 
-    // FIXME - put the stops back in
     xSliderHPF = new ImageSlider(this, blueSlider);
     prepSlider(xSliderHPF, pHPF, 618, 72);
+    xSliderHPF->setStep(1);
+    xSliderHPF->setRange(0,3);
     xSliderHPF->setCallback(this);
 
     xSliderCutoff = new ImageSlider(this, blueSlider);
-    prepSlider(xSliderCutoff, pCutoff, 21, 261);
+    prepSlider(xSliderCutoff, pCutoff, 26, 261);
     xSliderCutoff->setCallback(this);
 
     xSliderRes = new ImageSlider(this, blueSlider);
-    prepSlider(xSliderRes, pRes, 60, 261);
+    prepSlider(xSliderRes, pRes, 65, 261);
     xSliderRes->setCallback(this);
 
     xSliderEnv = new ImageSlider(this, blueSlider);
-    prepSlider(xSliderEnv, pEnv, 144, 261);
+    prepSlider(xSliderEnv, pEnv, 149, 261);
     xSliderEnv->setCallback(this);
 
     xSliderLfo = new ImageSlider(this, blueSlider);
-    prepSlider(xSliderLfo, pLfo, 183, 261);
+    prepSlider(xSliderLfo, pLfo, 189, 261);
     xSliderLfo->setCallback(this);
 
     xSliderKyb = new ImageSlider(this, blueSlider);
-    prepSlider(xSliderKyb, pKyb, 222, 261);
+    prepSlider(xSliderKyb, pKyb, 228, 261);
     xSliderKyb->setCallback(this);
 
     xSliderVCALevel = new ImageSlider(this, whiteSlider);
-    prepSlider(xSliderVCALevel, pVCALevel, 314, 261);
+    prepSlider(xSliderVCALevel, pVCALevel, 319, 261);
     xSliderVCALevel->setCallback(this);
 
     xSliderAtk = new ImageSlider(this, whiteSlider);
-    prepSlider(xSliderAtk, pVCALevel, 375, 261);
+    prepSlider(xSliderAtk, pVCALevel, 385, 261);
     xSliderAtk->setCallback(this);
 
     xSliderDcy = new ImageSlider(this, whiteSlider);
-    prepSlider(xSliderDcy, pDcy, 414, 261);
+    prepSlider(xSliderDcy, pDcy, 425, 261);
     xSliderDcy->setCallback(this);
 
     xSliderStn = new ImageSlider(this, whiteSlider);
-    prepSlider(xSliderStn, pStn, 454, 261);
+    prepSlider(xSliderStn, pStn, 465, 261);
     xSliderStn->setCallback(this);
 
     xSliderRls = new ImageSlider(this, whiteSlider);
-    prepSlider(xSliderRls, pRls, 493, 261);
+    prepSlider(xSliderRls, pRls, 505, 261);
     xSliderRls->setCallback(this);
 
     xBtn16ft = new ImageButton(this, Image(Art::orngBtnUp, Art::orngBtnWidth, Art::orngBtnHeight, kImageFormatRGB),