diff --git a/rtgui/locallabtools.cc b/rtgui/locallabtools.cc
index ae66be8d8..a46e5b24e 100644
--- a/rtgui/locallabtools.cc
+++ b/rtgui/locallabtools.cc
@@ -399,7 +399,7 @@ LocallabColor::LocallabColor():
     sensi(Gtk::manage(new Adjuster(M("TP_LOCALLAB_SENSI"), 0, 100, 1, 15))),
     structcol(Gtk::manage(new Adjuster(M("TP_LOCALLAB_STRUCCOL1"), 0, 100, 1, 0))),
     blurcolde(Gtk::manage(new Adjuster(M("TP_LOCALLAB_BLURDE"), 2, 100, 1, 5))),
-    softradiuscol(Gtk::manage(new Adjuster(M("TP_LOCALLAB_SOFTRADIUSCOL"), -10.0, 1000.0, 0.5, 0.))),
+    softradiuscol(Gtk::manage(new Adjuster(M("TP_LOCALLAB_SOFTRADIUSCOL"), 0.0, 1000.0, 0.5, 0.))),
     invers(Gtk::manage(new Gtk::CheckButton(M("TP_LOCALLAB_INVERS")))),
     expgradcol(Gtk::manage(new MyExpander(false, M("TP_LOCALLAB_EXPGRAD")))),
     strcol(Gtk::manage(new Adjuster(M("TP_LOCALLAB_GRADSTRLUM"), -4., 4., 0.05, 0.))),
@@ -1672,7 +1672,7 @@ void LocallabColor::convertParamToNormal()
 
     // Set hidden GUI widgets in Normal mode to default spot values
     blurcolde->setValue((double)defSpot.blurcolde);
-    softradiuscol->setValue(defSpot.softradiuscol);
+  //  softradiuscol->setValue(defSpot.softradiuscol);
     strcolab->setValue(defSpot.strcolab);
     strcolh->setValue(defSpot.strcolh);
     clshape->setCurve(defSpot.clcurve);
@@ -1784,7 +1784,7 @@ void LocallabColor::updateGUIToMode(const modeType new_type)
     if (new_type == Normal) {
         // Advanced widgets are hidden in Normal mode
         blurcolde->hide();
-        softradiuscol->hide();
+        softradiuscol->show();
         strcolab->hide();
         strcolh->hide();
         clCurveEditorG->hide();
@@ -2192,7 +2192,7 @@ LocallabExposure::LocallabExposure():
     expgradexp(Gtk::manage(new MyExpander(false, M("TP_LOCALLAB_EXPGRAD")))),
     strexp(Gtk::manage(new Adjuster(M("TP_LOCALLAB_GRADSTR"), -4., 4., 0.05, 0.))),
     angexp(Gtk::manage(new Adjuster(M("TP_LOCALLAB_GRADANG"), -180, 180, 0.1, 0.))),
-    softradiusexp(Gtk::manage(new Adjuster(M("TP_LOCALLAB_SOFTRADIUSCOL"), -10.0, 1000.0, 0.5, 0.))),
+    softradiusexp(Gtk::manage(new Adjuster(M("TP_LOCALLAB_SOFTRADIUSCOL"), 0.0, 1000.0, 0.5, 0.))),
     inversex(Gtk::manage(new Gtk::CheckButton(M("TP_LOCALLAB_INVERS")))),
     expmaskexp(Gtk::manage(new MyExpander(false, M("TP_LOCALLAB_SHOWE")))),
     showmaskexpMethod(Gtk::manage(new MyComboBoxText())),
diff --git a/rtgui/locallabtools2.cc b/rtgui/locallabtools2.cc
index df583d3d0..46abe92a6 100644
--- a/rtgui/locallabtools2.cc
+++ b/rtgui/locallabtools2.cc
@@ -126,7 +126,7 @@ LocallabTone::LocallabTone():
     estop(Gtk::manage(new Adjuster(M("TP_LOCALLAB_ESTOP"), 0.1, 4., 0.01, 1.4))),
     scaltm(Gtk::manage(new Adjuster(M("TP_LOCALLAB_SCALTM"), 0.1, 10.0, 0.01, 1.0))),
     rewei(Gtk::manage(new Adjuster(M("TP_LOCALLAB_REWEI"), 0, 3, 1, 0))),
-    softradiustm(Gtk::manage(new Adjuster(M("TP_LOCALLAB_SOFTRADIUSCOL"), -10.0, 1000.0, 0.1, 0.))),
+    softradiustm(Gtk::manage(new Adjuster(M("TP_LOCALLAB_SOFTRADIUSCOL"), 0.0, 1000.0, 0.1, 0.))),
     sensitm(Gtk::manage(new Adjuster(M("TP_LOCALLAB_SENSI"), 0, 100, 1, 30))),
     expmasktm(Gtk::manage(new MyExpander(false, M("TP_LOCALLAB_SHOWT")))),
     showmasktmMethod(Gtk::manage(new MyComboBoxText())),
@@ -740,7 +740,7 @@ LocallabRetinex::LocallabRetinex():
     darkness(Gtk::manage(new Adjuster(M("TP_LOCALLAB_DARKRETI"), 0.01, 6.0, 0.01, 2.0))),
     lightnessreti(Gtk::manage(new Adjuster(M("TP_LOCALLAB_LIGHTRETI"), 0.01, 4.0, 0.01, 1.))),
     cliptm(Gtk::manage(new Adjuster(M("TP_LOCALLAB_CLIPTM"), 0.02, 2.0, 0.01, 1.))),
-    softradiusret(Gtk::manage(new Adjuster(M("TP_LOCALLAB_SOFTRETI"), -10.0, 1000.0, 0.5, 40.))),
+    softradiusret(Gtk::manage(new Adjuster(M("TP_LOCALLAB_SOFTRETI"), 0.0, 1000.0, 0.5, 40.))),
     LocalcurveEditortransT(new CurveEditorGroup(options.lastlocalCurvesDir, M("TP_LOCALLAB_TRANSMISSIONMAP"))),
     cTtransshape(static_cast<FlatCurveEditor*>(LocalcurveEditortransT->addCurve(CT_Flat, "", nullptr, false, false))),
     mMLabels(Gtk::manage(new Gtk::Label("---"))),
@@ -2059,7 +2059,7 @@ LocallabContrast::LocallabContrast():
     clariFrame(Gtk::manage(new Gtk::Frame(M("TP_LOCALLAB_CLARIFRA")))),
     clarilres(Gtk::manage(new Adjuster(M("TP_LOCALLAB_CLARILRES"), -20., 100., 0.5, 0.))),
     claricres(Gtk::manage(new Adjuster(M("TP_LOCALLAB_CLARICRES"), -20., 100., 0.5, 0.))),
-    clarisoft(Gtk::manage(new Adjuster(M("TP_LOCALLAB_SOFTRADIUSCOL"), -10.0, 1000.0, 0.5, 1.))),
+    clarisoft(Gtk::manage(new Adjuster(M("TP_LOCALLAB_SOFTRADIUSCOL"), 0.0, 1000.0, 0.5, 1.))),
     origlc(Gtk::manage(new Gtk::CheckButton(M("TP_LOCALLAB_ORIGLC")))),
     expcontrastpyr(Gtk::manage(new MyExpander(false, Gtk::manage(new Gtk::HBox())))),
     wavgradl(Gtk::manage(new Gtk::CheckButton(M("TP_LOCALLAB_GRALWFRA")))),
@@ -3701,7 +3701,7 @@ LocallabCBDL::LocallabCBDL():
     blurcbdl(Gtk::manage(new Adjuster(M("TP_LOCALLAB_BLURCBDL"), 0., 100., 0.1, 0.))),
     clarityml(Gtk::manage(new Adjuster(M("TP_LOCALLAB_CLARITYML"), 0.1, 100., 0.1, 0.1))),
     contresid(Gtk::manage(new Adjuster(M("TP_LOCALLAB_CONTRESID"), -100, 100, 1, 0))),
-    softradiuscb(Gtk::manage(new Adjuster(M("TP_LOCALLAB_SOFTRADIUSCOL"), -10.0, 1000.0, 0.5, 0.))),
+    softradiuscb(Gtk::manage(new Adjuster(M("TP_LOCALLAB_SOFTRADIUSCOL"), 0.0, 1000.0, 0.5, 0.))),
     sensicb(Gtk::manage(new Adjuster(M("TP_LOCALLAB_SENSICB"), 0, 100, 1, 60))),
     expmaskcb(Gtk::manage(new MyExpander(false, M("TP_LOCALLAB_SHOWCB")))),
     showmaskcbMethod(Gtk::manage(new MyComboBoxText())),