diff --git a/rtengine/procparams.cc b/rtengine/procparams.cc
index 52478bfd3..e4d2852d3 100644
--- a/rtengine/procparams.cc
+++ b/rtengine/procparams.cc
@@ -3316,15 +3316,15 @@ LocallabParams::LocallabSpot::LocallabSpot() :
     noiselumf0(0.),
     noiselumf2(0.),
     noiselumc(0.),
-    noiselumdetail(0.),
+    noiselumdetail(50.),
     noiselequal(7),
     noisechrof(0.),
     noisechroc(0.),
-    noisechrodetail(0.),
+    noisechrodetail(50.),
     adjblur(0),
     bilateral(0),
     sensiden(60),
-    detailthr(0),
+    detailthr(50),
     locwavcurveden{
         static_cast<double>(FCT_MinMaxCPoints),
         0.0,
diff --git a/rtgui/locallabtools.cc b/rtgui/locallabtools.cc
index 774ef2576..7bb65348a 100644
--- a/rtgui/locallabtools.cc
+++ b/rtgui/locallabtools.cc
@@ -5771,14 +5771,14 @@ LocallabBlur::LocallabBlur():
     noiselumf(Gtk::manage(new Adjuster(M("TP_LOCALLAB_NOISELUMFINE"), MINCHRO, MAXCHRO, 0.01, 0.))),
     noiselumf2(Gtk::manage(new Adjuster(M("TP_LOCALLAB_NOISELUMFINETWO"), MINCHRO, MAXCHRO, 0.01, 0.))),
     noiselumc(Gtk::manage(new Adjuster(M("TP_LOCALLAB_NOISELUMCOARSE"), MINCHRO, MAXCHROCC, 0.01, 0.))),
-    noiselumdetail(Gtk::manage(new Adjuster(M("TP_LOCALLAB_NOISELUMDETAIL"), 0., 100., 0.01, 0.))),
+    noiselumdetail(Gtk::manage(new Adjuster(M("TP_LOCALLAB_NOISELUMDETAIL"), 0., 100., 0.01, 50.))),
     noiselequal(Gtk::manage(new Adjuster(M("TP_LOCALLAB_NOISELEQUAL"), -2, 10, 1, 7, Gtk::manage(new RTImage("circle-white-small.png")), Gtk::manage(new RTImage("circle-black-small.png"))))),
     LocalcurveEditorwavhue(new CurveEditorGroup(options.lastlocalCurvesDir, M("TP_WAVELET_DENOISEHUE"))),
     wavhue(static_cast<FlatCurveEditor*>(LocalcurveEditorwavhue->addCurve(CT_Flat, "", nullptr, false, true))),
     noisechrof(Gtk::manage(new Adjuster(M("TP_LOCALLAB_NOISECHROFINE"), MINCHRO, MAXCHRO, 0.01, 0.))),
     noisechroc(Gtk::manage(new Adjuster(M("TP_LOCALLAB_NOISECHROCOARSE"), MINCHRO, MAXCHROCC, 0.01, 0.))),
-    noisechrodetail(Gtk::manage(new Adjuster(M("TP_LOCALLAB_NOISECHRODETAIL"), 0., 100., 0.01, 0.))),
-    detailthr(Gtk::manage(new Adjuster(M("TP_LOCALLAB_DETAILTHR"), 0, 100, 1, 0))),
+    noisechrodetail(Gtk::manage(new Adjuster(M("TP_LOCALLAB_NOISECHRODETAIL"), 0., 100., 0.01, 50.))),
+    detailthr(Gtk::manage(new Adjuster(M("TP_LOCALLAB_DETAILTHR"), 0, 100, 1, 50))),
     adjblur(Gtk::manage(new Adjuster(M("TP_LOCALLAB_ADJ"), -100., 100., 1., 0., Gtk::manage(new RTImage("circle-blue-yellow-small.png")), Gtk::manage(new RTImage("circle-red-green-small.png"))))),
     bilateral(Gtk::manage(new Adjuster(M("TP_LOCALLAB_BILATERAL"), 0, 100, 1, 0))),
     sensiden(Gtk::manage(new Adjuster(M("TP_LOCALLAB_SENSI"), 0, 100, 1, 60))),