diff --git a/rtdata/languages/default b/rtdata/languages/default
index d5f49221e..4f1a13eb0 100644
--- a/rtdata/languages/default
+++ b/rtdata/languages/default
@@ -2122,7 +2122,8 @@ TP_LOCALLAB_TRANSITVALUE;Transition value
 TP_LOCALLAB_TRANSITGRAD;Transition differentiation XY
 TP_LOCALLAB_TRANSITGRAD_TOOLTIP;Changes the transition of the abscissa to that of the ordinate 
 TP_LOCALLAB_TRANSITWEAK;Transition weakening
-TP_LOCALLAB_TRANSITWEAK_TOOLTIP;Adjust weakening : change smoothness process - 1 linear - 2 parabolic - 3 cubic  
+TP_LOCALLAB_TRANSITWEAK_TOOLTIP;Adjust weakening : change smoothness process - 1 linear - 2 parabolic - 3 cubic
+TP_LOCALLAB_TONEMAP_TOOLTIP;Tone Mapping - main menu must be disabled 
 TP_LOCALLAB_VIBRANCE;Vibrance
 TP_LOCALLAB_WARM;Warm - Cool & Color artifacts
 TP_LOCALLAB_WARM_TOOLTIP;This slider use Ciecam algorithm and acts as White Balance, it can warm or cool the area selected.\nIt can also in some cases reduce color artifacts.
diff --git a/rtengine/iplocallab.cc b/rtengine/iplocallab.cc
index fa6ac2cfc..4aeed72de 100644
--- a/rtengine/iplocallab.cc
+++ b/rtengine/iplocallab.cc
@@ -5211,7 +5211,7 @@ void ImProcFunctions::Lab_Local(int call, int sp, float** shbuffer, LabImage * o
 
 //Tone mapping
 
-        if (lp.strengt != 0.f  && lp.tonemapena) {
+        if (lp.strengt != 0.f  && lp.tonemapena  && !params->epd.enabled) {
             if (call <= 3) { //simpleprocess dcrop improcc
                 const int ystart = std::max(static_cast<int>(lp.yc - lp.lyT) - cy, 0);
                 const int yend = std::min(static_cast<int>(lp.yc + lp.ly) - cy, original->H);
diff --git a/rtgui/locallab.cc b/rtgui/locallab.cc
index 9f97d1d61..5756a3deb 100644
--- a/rtgui/locallab.cc
+++ b/rtgui/locallab.cc
@@ -767,6 +767,7 @@ Locallab::Locallab():
     exptonemap->setLabel(TMTitleHBox);
     exptonemap->signal_button_release_event().connect_notify(sigc::bind(sigc::mem_fun(this, &Locallab::foldAllButMe), exptonemap));
     enabletonemapConn = exptonemap->signal_enabled_toggled().connect(sigc::bind(sigc::mem_fun(this, &Locallab::enableToggled), exptonemap));
+    if(showtooltip) exptonemap->set_tooltip_text(M("TP_LOCALLAB_TONEMAP_TOOLTIP"));
 
     stren->setAdjusterListener(this);