diff --git a/rtdata/languages/default b/rtdata/languages/default
index 4ae3a3edc..5cff0da90 100644
--- a/rtdata/languages/default
+++ b/rtdata/languages/default
@@ -2542,7 +2542,7 @@ TP_LOCALLAB_FFTW;ƒ - Use Fast Fourier Transform
 TP_LOCALLAB_FFTW2;ƒ - Use Fast Fourier Transform (TIF, JPG,..)
 TP_LOCALLAB_FFTMASK_TOOLTIP;Use a Fourier transform for better quality (increased processing time and memory requirements)
 TP_LOCALLAB_FFTWBLUR;ƒ - Always Use Fast Fourier Transform
-TP_LOCALLAB_FULLIMAGE;Calculate the dark-Ev & white-Ev values for the entire image 
+TP_LOCALLAB_FULLIMAGE;Dark-Ev & white-Ev for the entire image 
 TP_LOCALLAB_FULLIMAGELOG_TOOLTIP;Calculates the Ev levels for the entire image.
 TP_LOCALLAB_GAM;Gamma
 TP_LOCALLAB_GAMFRA;Tone response curve (TRC)
diff --git a/rtengine/iplocallab.cc b/rtengine/iplocallab.cc
index 08c9e4d68..a37f34f59 100644
--- a/rtengine/iplocallab.cc
+++ b/rtengine/iplocallab.cc
@@ -1570,12 +1570,12 @@ void ImProcFunctions::log_encode(Imagefloat *rgb, struct local_params & lp, bool
    // BENCHFUN
     const float gray = lp.sourcegray / 100.f;
     const float shadows_range = lp.blackev;
-    if(lp.whiteev < 0.5f) {
-        lp.whiteev = 0.5f;
+    if(lp.whiteev < 1.f) {
+        lp.whiteev = 1.f;
     }
     float dynamic_range = lp.whiteev - lp.blackev;
-    if (dynamic_range < 0.5f) {
-        dynamic_range = 0.5f;
+    if (dynamic_range < 1.f) {
+        dynamic_range = 1.f;
     }
     const float noise = pow_F(2.f, -16.f);
     const float log2 = xlogf(lp.baselog);
diff --git a/rtgui/locallabtools2.cc b/rtgui/locallabtools2.cc
index bc07769da..77fd08b0d 100644
--- a/rtgui/locallabtools2.cc
+++ b/rtgui/locallabtools2.cc
@@ -4655,7 +4655,7 @@ LocallabLog::LocallabLog():
     autocompute(Gtk::manage(new Gtk::ToggleButton(M("TP_LOCALLAB_LOGAUTO")))),
     logPFrame(Gtk::manage(new Gtk::Frame(M("TP_LOCALLAB_LOGPFRA")))),
     blackEv(Gtk::manage(new Adjuster(M("TP_LOCALLAB_BLACK_EV"), -16.0, 0.0, 0.1, -5.0))),
-    whiteEv(Gtk::manage(new Adjuster(M("TP_LOCALLAB_WHITE_EV"), 0.5, 32.0, 0.1, 10.0))),
+    whiteEv(Gtk::manage(new Adjuster(M("TP_LOCALLAB_WHITE_EV"), 1., 32.0, 0.1, 10.0))),
     fullimage(Gtk::manage(new Gtk::CheckButton(M("TP_LOCALLAB_FULLIMAGE")))),
     Autogray(Gtk::manage(new Gtk::CheckButton(M("TP_LOCALLAB_AUTOGRAY")))),
     sourceGray(Gtk::manage(new Adjuster(M("TP_LOCALLAB_SOURCE_GRAY"), 1.0, 100.0, 0.1, 10.0))),
@@ -4669,10 +4669,10 @@ LocallabLog::LocallabLog():
     // Parameter Log encoding specific widgets
     autoconn = autocompute->signal_toggled().connect(sigc::mem_fun(*this, &LocallabLog::autocomputeToggled));
 
-    blackEv->setLogScale(2, -8);
+  //  blackEv->setLogScale(2, -8);
     blackEv->setAdjusterListener(this);
 
-    whiteEv->setLogScale(16, 0);
+   // whiteEv->setLogScale(16, 0);
     whiteEv->setAdjusterListener(this);
 
     fullimageConn = fullimage->signal_toggled().connect(sigc::mem_fun(*this, &LocallabLog::fullimageChanged));
@@ -4800,7 +4800,9 @@ void LocallabLog::read(const rtengine::procparams::ProcParams* pp, const ParamsE
 
         autocompute->set_active(spot.autocompute);
         blackEv->setValue(spot.blackEv);
+
         whiteEv->setValue(spot.whiteEv);
+        if(whiteEv->getValue() < 1.) whiteEv->setValue(1.);
         fullimage->set_active(spot.fullimage);
         Autogray->set_active(spot.Autogray);
         sourceGray->setValue(spot.sourceGray);
diff --git a/rtgui/wavelet.cc b/rtgui/wavelet.cc
index c7647798a..909b906ad 100644
--- a/rtgui/wavelet.cc
+++ b/rtgui/wavelet.cc
@@ -93,7 +93,7 @@ Wavelet::Wavelet() :
     offset(Gtk::manage(new Adjuster(M("TP_WAVELET_WAVOFFSET"), 0.33, 1.66, 0.01, 1., Gtk::manage(new RTImage("circle-black-small.png")), Gtk::manage(new RTImage("circle-white-small.png"))))),
     lowthr(Gtk::manage(new Adjuster(M("TP_WAVELET_WAVLOWTHR"), 20., 100., 0.5, 40.))),
     rescon(Gtk::manage(new Adjuster(M("TP_WAVELET_RESCON"), -100, 100, 1, 0))),
-    resconH(Gtk::manage(new Adjuster(M("TP_WAVELET_RESCONH"), -100, 100, 1, 0))),
+    resconH(Gtk::manage(new Adjuster(M("TP_WAVELET_RESCONH"), 0, 100, 1, 0))),
     reschro(Gtk::manage(new Adjuster(M("TP_WAVELET_RESCHRO"), -100, 100, 1, 0))),
     resblur(Gtk::manage(new Adjuster(M("TP_WAVELET_RESBLUR"), 0, 100, 1, 0))),
     resblurc(Gtk::manage(new Adjuster(M("TP_WAVELET_RESBLURC"), 0, 100, 1, 0))),