diff --git a/rtengine/iplocallab.cc b/rtengine/iplocallab.cc
index e1d3b1e3e..2f016a27f 100644
--- a/rtengine/iplocallab.cc
+++ b/rtengine/iplocallab.cc
@@ -5975,7 +5975,7 @@ void ImProcFunctions::Lab_Local(int call, int sp, float** shbuffer, LabImage * o
         }
 
 
-        if (!lp.invex  && (lp.exposena && (lp.expcomp != 0.f || lp.war != 0 || lp.showmaskexpmet == 2 || lp.enaExpMask || lp.showmaskexpmet == 3 || lp.showmaskexpmet == 4 || lp.showmaskexpmet == 5 || (exlocalcurve  && localexutili)))) { //interior ellipse renforced lightness and chroma  //locallutili
+        if (!lp.invex  && (lp.exposena && (lp.expcomp != 0.f || lp.war != 0 || lp.showmaskexpmet == 2 || lp.enaExpMask || lp.showmaskexpmet == 3 || (lp.showmaskexpmet == 4 && lp.struexp > 0.f) || lp.showmaskexpmet == 5 || (exlocalcurve  && localexutili)))) { //interior ellipse renforced lightness and chroma  //locallutili
             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);
             const int xstart = std::max(static_cast<int>(lp.xc - lp.lxL) - cx, 0);
@@ -6021,6 +6021,7 @@ void ImProcFunctions::Lab_Local(int call, int sp, float** shbuffer, LabImage * o
                         ImProcFunctions::blendstruc(bfw, bfh, bufexporig.get(), 3.f / (sk * 1.4f), lp.struexp, blend2, sk, multiThread);
 
                         if (lp.showmaskexpmet == 4) {
+                            printf("showmaskexp\n");
 #ifdef _OPENMP
                             #pragma omp parallel for schedule(dynamic,16)
 #endif
@@ -6142,7 +6143,7 @@ void ImProcFunctions::Lab_Local(int call, int sp, float** shbuffer, LabImage * o
                         }
 
 
-                        if (lp.showmaskexpmet == 0 || lp.showmaskexpmet == 1 || lp.showmaskexpmet == 2 || lp.showmaskexpmet == 4 || lp.showmaskexpmet == 5 || lp.enaExpMask) {
+                        if (lp.showmaskexpmet == 0 || lp.showmaskexpmet == 1 || lp.showmaskexpmet == 2 /* || lp.showmaskexpmet == 4 */|| lp.showmaskexpmet == 5 || lp.enaExpMask) {
                             blendmask(lp, xstart, ystart, cx, cy, bfw, bfh, bufexporig.get(), original, bufmaskblurexp.get(), originalmaskexp.get(), lp.blendmaexp);
 
                         } else if (lp.showmaskexpmet == 3) {
@@ -6151,8 +6152,11 @@ void ImProcFunctions::Lab_Local(int call, int sp, float** shbuffer, LabImage * o
                         }
                     }
 
+                    if(lp.showmaskexpmet == 4) {
+                        return;
+                    }
 
-                    if (lp.showmaskexpmet == 0 || lp.showmaskexpmet == 1  || lp.showmaskexpmet == 2 || lp.showmaskexpmet == 5 || lp.enaExpMask) {
+                    if (lp.showmaskexpmet == 0 || lp.showmaskexpmet == 1  || lp.showmaskexpmet == 2  || lp.showmaskexpmet == 5 || lp.enaExpMask) {
 #ifdef _OPENMP
                         #pragma omp parallel for schedule(dynamic,16)
 #endif
@@ -6469,6 +6473,10 @@ void ImProcFunctions::Lab_Local(int call, int sp, float** shbuffer, LabImage * o
                         }
                     }
 
+                    if(lp.showmaskcolmet == 4) {
+                        return;
+                    }
+
                     if (lp.showmaskcolmet == 0 || lp.showmaskcolmet == 1 || lp.showmaskcolmet == 2 || lp.showmaskcolmet == 5 || lp.enaColorMask) {
 
                         float chprosl = 1.f;