diff --git a/rtengine/ipretinex.cc b/rtengine/ipretinex.cc
index 7b1ddcf64..204b8f62f 100644
--- a/rtengine/ipretinex.cc
+++ b/rtengine/ipretinex.cc
@@ -1259,6 +1259,8 @@ void ImProcFunctions::MSRLocal(int sp, int lum, LabImage * bufreti, LabImage * b
                 for (int j = 0; j < W_L; j++) {
                     luminance[i][j] = ble[i][j] * deltatran + mintran;
                 }
+            ble(0,0);
+            guid(0,0);
         }
 
 
@@ -1380,11 +1382,16 @@ void ImProcFunctions::MSRLocal(int sp, int lum, LabImage * bufreti, LabImage * b
                 for (int j = 0; j < W_L; j++) {
                     luminance[i][j] = ble[i][j] * deltatran + mintran;
                 }
-        }
+            ble(0,0);
+            guid(0,0);
 
+        }
         delete [] buffer;
         delete [] outBuffer;
         outBuffer = nullptr;
+        delete [] srcBuffer;
+        srcBuffer = nullptr;
+        
         float str = strength * (chrome == 0 ? 1.f : 0.8f * (chrT - 0.4f));
         const float maxclip = (chrome == 0 ? 32768.f : 50000.f);
 
diff --git a/rtengine/procparams.cc b/rtengine/procparams.cc
index fd0757848..877d7ed79 100644
--- a/rtengine/procparams.cc
+++ b/rtengine/procparams.cc
@@ -2471,7 +2471,7 @@ LocallabParams::LocallabSpot::LocallabSpot() :
     retinexMethod("high"),
     str(0.0),
     chrrt(0.0),
-    neigh(150.),
+    neigh(50.),
     vart(70.),
     dehaz(0),
     sensih(30),
diff --git a/rtgui/locallab.cc b/rtgui/locallab.cc
index 62750a4db..6f222722f 100644
--- a/rtgui/locallab.cc
+++ b/rtgui/locallab.cc
@@ -151,7 +151,7 @@ Locallab::Locallab():
     // Retinex
     str(Gtk::manage(new Adjuster(M("TP_LOCALLAB_STR"), 0., 100., 0.1, 0.0))),
     chrrt(Gtk::manage(new Adjuster(M("TP_LOCALLAB_CHRRT"), 0.0, 100.0, 0.1, 0.0))),
-    neigh(Gtk::manage(new Adjuster(M("TP_LOCALLAB_NEIGH"), 4., 500., 0.5, 150.))),
+    neigh(Gtk::manage(new Adjuster(M("TP_LOCALLAB_NEIGH"), 4., 500., 0.5, 50.))),
     vart(Gtk::manage(new Adjuster(M("TP_LOCALLAB_VART"), 10.0, 500., 0.1, 70.))),
     dehaz(Gtk::manage(new Adjuster(M("TP_LOCALLAB_DEHAZ"), 0, 100, 1, 0))),
     sensih(Gtk::manage(new Adjuster(M("TP_LOCALLAB_SENSIH"), 0, 100, 1, 30))),