diff --git a/rtengine/procparams.cc b/rtengine/procparams.cc
index da54d0650..474814642 100644
--- a/rtengine/procparams.cc
+++ b/rtengine/procparams.cc
@@ -3739,7 +3739,7 @@ LocallabParams::LocallabSpot::LocallabSpot() :
     expmask(false),
     sensimask(60),
     blendmask(-10),
-    softradiusmask(0.0),
+    softradiusmask(1.0),
     enamask(false),
     fftmask(true),
     blurmask(0.2),
diff --git a/rtgui/locallabtools2.cc b/rtgui/locallabtools2.cc
index 805be2ae8..288e46c48 100644
--- a/rtgui/locallabtools2.cc
+++ b/rtgui/locallabtools2.cc
@@ -4732,7 +4732,7 @@ LocallabMask::LocallabMask():
     // Comon mask specific widgets
     sensimask(Gtk::manage(new Adjuster(M("TP_LOCALLAB_SENSI"), 0, 100, 1, 60))),
     blendmask(Gtk::manage(new Adjuster(M("TP_LOCALLAB_BLENDMASKMAK"), -100, 100, 1, -10))),
-    softradiusmask(Gtk::manage(new Adjuster(M("TP_LOCALLAB_SOFTRADIUSCOL"), -10.0, 100.0, 0.5, 0.))),
+    softradiusmask(Gtk::manage(new Adjuster(M("TP_LOCALLAB_SOFTRADIUSCOL"), -10.0, 100.0, 0.5, 1.))),
 
     showmask_Method(Gtk::manage(new MyComboBoxText())),
     enamask(Gtk::manage(new Gtk::CheckButton(M("TP_LOCALLAB_ENABLE_MASK")))),