diff --git a/rtdata/languages/default b/rtdata/languages/default
index 21ce35b89..185a2d993 100644
--- a/rtdata/languages/default
+++ b/rtdata/languages/default
@@ -2330,6 +2330,7 @@ TP_LOCALLAB_CLARICRES;Merge Chroma
 TP_LOCALLAB_CLARIFRA;Clarity & Sharp mask - Blend & Soft images 
 TP_LOCALLAB_CLARILRES;Merge Luma
 TP_LOCALLAB_CLARISOFT;Soft radius
+TP_LOCALLAB_CLARISOFT_TOOLTIP;Enabled for Clarity & Sharp mask.\nContrast by level.\nLevel Dynamic Range Compression.\nDirectional contrast.\nGraduated filter local contrast
 TP_LOCALLAB_CLARITYML;Clarity
 TP_LOCALLAB_CLARI_TOOLTIP;Under or equal level wavelet 4, 'Sharp mask' is enabled.\nAbove level wavelet 5 'Clarity' is enabled.\nUsefull if you use 'Level dynamic Range Compression'
 TP_LOCALLAB_CLIPTM;Clip Restored datas (gain)
diff --git a/rtengine/iplocallab.cc b/rtengine/iplocallab.cc
index e14db8826..5aeedcee5 100644
--- a/rtengine/iplocallab.cc
+++ b/rtengine/iplocallab.cc
@@ -13053,7 +13053,7 @@ void ImProcFunctions::Lab_Local(int call, int sp, float** shbuffer, LabImage * o
                             mL0 = mL = mC0 = mC = 0.f;
                         }
 
-                        if (exec  || compreena) {
+                        if (exec  || compreena || comprena || levelena || lp.wavgradl) {
                             bool origl = false;
                             // origlc = false;
                             LabImage *mergfile = origl ? tmpres.get() : tmp1.get();
@@ -13069,7 +13069,7 @@ void ImProcFunctions::Lab_Local(int call, int sp, float** shbuffer, LabImage * o
                                     tmp1->b[x][y] = CLIPC((1.f + mC0) * mergfile->b[x][y] - mC * tmpresid->b[x][y]);
                                 }
 
-                            if (softr > 0.f && (compreena || fabs(mL) > 0.001f)) {
+                            if (softr != 0.f && (compreena || comprena || levelena || lp.wavgradl || fabs(mL) > 0.001f)) {
                                 softproc(tmpres.get(), tmp1.get(), softr, bfh, bfw, 0.0001, 0.00001, thr, sk, multiThread, flag);
                             }
                         }
diff --git a/rtgui/locallabtools2.cc b/rtgui/locallabtools2.cc
index 8744f699c..55c4ec127 100644
--- a/rtgui/locallabtools2.cc
+++ b/rtgui/locallabtools2.cc
@@ -2166,6 +2166,9 @@ LocallabContrast::LocallabContrast():
 
     clarisoft->setLogScale(10, -10);
     clarisoft->setAdjusterListener(this);
+    if (showtooltip) {
+        clarisoft->set_tooltip_markup(M("TP_LOCALLAB_CLARISOFT_TOOLTIP"));
+    }
 
     origlcConn = origlc->signal_toggled().connect(sigc::mem_fun(*this, &LocallabContrast::origlcChanged));