diff --git a/rtdata/languages/default b/rtdata/languages/default
index dd5a5fba5..a3c789d0b 100644
--- a/rtdata/languages/default
+++ b/rtdata/languages/default
@@ -2282,7 +2282,7 @@ TP_LOCALLAB_ADJ;Equalizer blue-red
 TP_LOCALLAB_ALL;All rubrics
 TP_LOCALLAB_AMOUNT;Amount
 TP_LOCALLAB_ARTIF;Shape detection
-TP_LOCALLAB_ARTIF_TOOLTIP;Increase deltaE Weakening improve shape detection, but can reduce the scope of detection.\nThreshold deltaE-scope increase the range of scope-deltaE - high values are for very wide gamut images.\nThreshold structure take into account the structure level of solid areas
+TP_LOCALLAB_ARTIF_TOOLTIP;Threshold structure take into account the structure level of solid areas.\nThreshold deltaE-scope increase the range of scope-deltaE - high values are for very wide gamut images.\nIncrease deltaE Weakening improve shape detection, but can reduce the scope of detection.
 TP_LOCALLAB_AUTOGRAY;Automatic
 TP_LOCALLAB_AVOID;Avoid color shift
 TP_LOCALLAB_BALAN;Balance ΔE ab-L
diff --git a/rtengine/iplocallab.cc b/rtengine/iplocallab.cc
index b165b5ff7..cd90eada6 100644
--- a/rtengine/iplocallab.cc
+++ b/rtengine/iplocallab.cc
@@ -12261,7 +12261,7 @@ void ImProcFunctions::Lab_Local(int call, int sp, float** shbuffer, LabImage * o
             const int bfw = xend - xstart;
 
             if (complexsoft == 2) {
-                lp.shmeth = 1;
+                lp.shmeth = 0;
             }
 
             if (bfw >= mSP && bfh >= mSP) {
diff --git a/rtgui/locallabtools.cc b/rtgui/locallabtools.cc
index 4a95a3421..f360d944f 100644
--- a/rtgui/locallabtools.cc
+++ b/rtgui/locallabtools.cc
@@ -3491,9 +3491,9 @@ void LocallabShadow::read(const rtengine::procparams::ProcParams* pp, const Para
         complexity->set_active(spot.complexshadhigh);
 
         if (spot.shMethod == "std") {
-            shMethod->set_active(1);
-        } else if (spot.shMethod == "tone") {
             shMethod->set_active(0);
+        } else if (spot.shMethod == "tone") {
+            shMethod->set_active(1);
         }
 
         for (int i = 0; i < 5; i++) {
@@ -3554,9 +3554,9 @@ void LocallabShadow::write(rtengine::procparams::ProcParams* pp, ParamsEdited* p
         spot.visishadhigh = exp->get_visible();
         spot.complexshadhigh = complexity->get_active_row_number();
 
-        if (shMethod->get_active_row_number() == 1) {
+        if (shMethod->get_active_row_number() == 0) {
             spot.shMethod = "std";
-        } else if (shMethod->get_active_row_number() == 0) {
+        } else if (shMethod->get_active_row_number() == 1) {
             spot.shMethod = "tone";
         }
 
@@ -3847,9 +3847,9 @@ void LocallabShadow::convertParamToNormal()
 
     // Set hidden GUI widgets in Normal mode to default spot values
     if (defSpot.shMethod == "std") {
-        shMethod->set_active(1);
-    } else if (defSpot.shMethod == "tone") {
         shMethod->set_active(0);
+    } else if (defSpot.shMethod == "tone") {
+        shMethod->set_active(1);
     }
 
     blurSHde->setValue((double)defSpot.blurSHde);