diff --git a/rtdata/languages/default b/rtdata/languages/default
index 99768a559..cc50eb4eb 100644
--- a/rtdata/languages/default
+++ b/rtdata/languages/default
@@ -2466,14 +2466,14 @@ TP_LOCALLAB_GAMMASKCOL;Gamma mask
 TP_LOCALLAB_GAMSH;Gamma
 TP_LOCALLAB_GRADANG;Gradient angle
 TP_LOCALLAB_GRADANG_TOOLTIP;Rotation angle in degrees : -180 0 +180
-TP_LOCALLAB_GRADFRA;Graduated Filter
+TP_LOCALLAB_GRADFRA;Graduated Filter Mask
 TP_LOCALLAB_GRADGEN_TOOLTIP;Graduated filter is supplied with Color and Light & merge file, Exposure & mask, Shadows Highlight, Vibrance, Encoding log.\n\nVibrance, Color and Light & merge file, are provided with GF luminance, chrominance, Hue.\nFeather is located in settings. 
 TP_LOCALLAB_GRADLOGFRA;Graduated Filter Luminance
 TP_LOCALLAB_GRADSTR;Gradient strength
 TP_LOCALLAB_GRADSTRAB_TOOLTIP;Filter chroma strength
 TP_LOCALLAB_GRADSTRCHRO;Gradient strength Chrominance
 TP_LOCALLAB_GRADSTRHUE2;Gradient strength Hue
-TP_LOCALLAB_GRADSTRHUE;Gradient strength Hue (merge file)
+TP_LOCALLAB_GRADSTRHUE;Gradient strength Hue
 TP_LOCALLAB_GRADSTRHUE_TOOLTIP;Filter Hue strength
 TP_LOCALLAB_GRADSTRLUM;Gradient strength Luminance
 TP_LOCALLAB_GRADSTR_TOOLTIP;Filter strength in stops
@@ -2729,7 +2729,8 @@ TP_LOCALLAB_SOFTRADIUSCOL;Soft radius
 TP_LOCALLAB_SOFTRETI;Reduce artifact ΔE
 TP_LOCALLAB_SOFTRETI_TOOLTIP;Take into account deltaE to improve Transmission map
 TP_LOCALLAB_SOURCE_GRAY;Value
-TP_LOCALLAB_SPECIAL;Special use of RGB curves 
+TP_LOCALLAB_SPECIAL;Special use of RGB curves
+TP_LOCALLAB_SPECIAL_TOOLTIP;Only for this RGB curve, disabled (or reduce effects) of Scope, mask...for example, if you want to have a negative effect.
 TP_LOCALLAB_SPOTNAME;Control Spot #
 TP_LOCALLAB_STD;Standard
 TP_LOCALLAB_STR;Strength
diff --git a/rtengine/iplocallab.cc b/rtengine/iplocallab.cc
index ab0556405..db73953df 100644
--- a/rtengine/iplocallab.cc
+++ b/rtengine/iplocallab.cc
@@ -5208,7 +5208,6 @@ void ImProcFunctions::transit_shapedetect(int senstype, const LabImage * bufexpo
                 gaussianBlur(originalmask->b, origblurmask->b, bfw, bfh, radius);
             }
         }
-
         if (lp.equtm  && senstype == 8) //normalize luminance for Tone mapping , at this place we can use for others senstype!
         {
             float *datain = new float[bfh * bfw];
@@ -6501,7 +6500,7 @@ void ImProcFunctions::transit_shapedetect2(int call, int senstype, const LabImag
         for (int y = ystart; y < yend; y++)
             for (int x = xstart; x < xend; x++) {
                 datain[(y - ystart) * bfw + (x - xstart)] = original->L[y][x];
-                data[(y - ystart)* bfw + (x - xstart)] = bufexporig->L[y - ystart][x - xstart];
+                data[(y - ystart)* bfw + (x - xstart)] = bufexpfin->L[y - ystart][x - xstart];
             }
 
         normalize_mean_dt(data, datain, bfh * bfw, 1.f, 1.f);
@@ -6511,7 +6510,7 @@ void ImProcFunctions::transit_shapedetect2(int call, int senstype, const LabImag
 
         for (int y = ystart; y < yend; y++)
             for (int x = xstart; x < xend; x++) {
-                bufexporig->L[y - ystart][x - xstart] = data[(y - ystart) * bfw + x - xstart];
+                bufexpfin->L[y - ystart][x - xstart] = data[(y - ystart) * bfw + x - xstart];
             }
 
         delete [] datain;
@@ -6539,8 +6538,10 @@ void ImProcFunctions::transit_shapedetect2(int call, int senstype, const LabImag
         gaussianBlur(origblur->b, origblur->b, bfw, bfh, radius);
 
     }
+    
+    
     //choice between original and mask
-    const LabImage *maskptr = usemaskexp ? origblurmask.get() : origblur.get();
+    const LabImage *maskptr = usemaskall ? origblurmask.get() : origblur.get();
 
     //parameters deltaE
     const int limscope = 80;
diff --git a/rtgui/locallabtools.cc b/rtgui/locallabtools.cc
index 46fa4f052..4f781bde9 100644
--- a/rtgui/locallabtools.cc
+++ b/rtgui/locallabtools.cc
@@ -901,6 +901,7 @@ void LocallabColor::updateAdviceTooltips(const bool showTooltips)
         maskHCurveEditorG->set_tooltip_text(M("TP_LOCALLAB_HHMASK_TOOLTIP"));
         mask2CurveEditorGwav->set_tooltip_text(M("TP_LOCALLAB_WAVMASK_TOOLTIP"));
         mask2CurveEditorG->set_tooltip_text(M("TP_LOCALLAB_CONTRASTCURVMASK_TOOLTIP"));
+        special->set_tooltip_text(M("TP_LOCALLAB_SPECIAL_TOOLTIP"));
         } else {
         exp->set_tooltip_text("");
         lightness->set_tooltip_text("");
@@ -928,6 +929,7 @@ void LocallabColor::updateAdviceTooltips(const bool showTooltips)
         maskHCurveEditorG->set_tooltip_text(M(""));
         mask2CurveEditorGwav->set_tooltip_text(M(""));
         mask2CurveEditorG->set_tooltip_text(M(""));
+        special->set_tooltip_text(M(""));
     }
 }
 
diff --git a/rtgui/locallabtools2.cc b/rtgui/locallabtools2.cc
index 853624050..0b0e8b228 100644
--- a/rtgui/locallabtools2.cc
+++ b/rtgui/locallabtools2.cc
@@ -1765,6 +1765,7 @@ LocallabSharp::LocallabSharp():
 
     showmasksharMethod->append(M("TP_LOCALLAB_SHOWMNONE"));
     showmasksharMethod->append(M("TP_LOCALLAB_SHOWMODIF"));
+    showmasksharMethod->append(M("TP_LOCALLAB_SHOWREF"));
     showmasksharMethod->set_active(0);
     showmasksharMethod->set_tooltip_markup(M("TP_LOCALLAB_SHOWMASKCOL_TOOLTIP"));
     showmasksharMethodConn = showmasksharMethod->signal_changed().connect(sigc::mem_fun(*this, &LocallabSharp::showmasksharMethodChanged));