diff --git a/rtengine/dcrop.cc b/rtengine/dcrop.cc
index 62f6dad7c..f235d8d29 100644
--- a/rtengine/dcrop.cc
+++ b/rtengine/dcrop.cc
@@ -877,7 +877,7 @@ void Crop::update(int todo)
         parent->ipf.labColorCorrectionRegions(labnCrop);
 
         if ((params.colorappearance.enabled && !params.colorappearance.tonecie) || (!params.colorappearance.enabled)) {
-            parent->ipf.EPDToneMap(labnCrop, 5, skip);
+            parent->ipf.EPDToneMap(labnCrop, 0, skip);
         }
 
         //parent->ipf.EPDToneMap(labnCrop, 5, 1);    //Go with much fewer than normal iterates for fast redisplay.
@@ -1024,7 +1024,7 @@ void Crop::update(int todo)
 
             float d, dj, yb; // not used after this block
             parent->ipf.ciecam_02float(cieCrop, float (adap), 1, 2, labnCrop, &params, parent->customColCurve1, parent->customColCurve2, parent->customColCurve3,
-                                       dummy, dummy, parent->CAMBrightCurveJ, parent->CAMBrightCurveQ, parent->CAMMean, 5, skip, execsharp, d, dj, yb, 1, parent->sharpMask);
+                                       dummy, dummy, parent->CAMBrightCurveJ, parent->CAMBrightCurveQ, parent->CAMMean, 0, skip, execsharp, d, dj, yb, 1, parent->sharpMask);
         } else {
             // CIECAM is disabled, we free up its image buffer to save some space
             if (cieCrop) {
diff --git a/rtengine/improccoordinator.cc b/rtengine/improccoordinator.cc
index ec047f853..01f9892bf 100644
--- a/rtengine/improccoordinator.cc
+++ b/rtengine/improccoordinator.cc
@@ -778,7 +778,7 @@ void ImProcCoordinator::updatePreviewImage(int todo, bool panningRelatedChange)
             ipf.labColorCorrectionRegions(nprevl);
 
             if ((params->colorappearance.enabled && !params->colorappearance.tonecie) || (!params->colorappearance.enabled)) {
-                ipf.EPDToneMap(nprevl, 5, scale);
+                ipf.EPDToneMap(nprevl, 0, scale);
             }
 
             // for all treatments Defringe, Sharpening, Contrast detail , Microcontrast they are activated if "CIECAM" function are disabled
@@ -922,7 +922,7 @@ void ImProcCoordinator::updatePreviewImage(int todo, bool panningRelatedChange)
                 CAMBrightCurveJ.dirty = true;
                 CAMBrightCurveQ.dirty = true;
 
-                ipf.ciecam_02float(ncie, float (adap), pW, 2, nprevl, params.get(), customColCurve1, customColCurve2, customColCurve3, histLCAM, histCCAM, CAMBrightCurveJ, CAMBrightCurveQ, CAMMean, 5, scale, execsharp, d, dj, yb, 1);
+                ipf.ciecam_02float(ncie, float (adap), pW, 2, nprevl, params.get(), customColCurve1, customColCurve2, customColCurve3, histLCAM, histCCAM, CAMBrightCurveJ, CAMBrightCurveQ, CAMMean, 0 , scale, execsharp, d, dj, yb, 1);
 
                 if ((params->colorappearance.autodegree || params->colorappearance.autodegreeout) && acListener && params->colorappearance.enabled) {
                     acListener->autoCamChanged(100.* (double)d, 100.* (double)dj);
diff --git a/rtengine/ipwavelet.cc b/rtengine/ipwavelet.cc
index d3595b42c..e6e84bc50 100644
--- a/rtengine/ipwavelet.cc
+++ b/rtengine/ipwavelet.cc
@@ -1668,7 +1668,7 @@ void ImProcFunctions::WaveletcontAllL(LabImage * labco, float ** varhue, float *
 //tone mapping
     if(cp.tonemap && cp.contmet == 2  && cp.resena) {
         //iterate = 5
-        EPDToneMapResid(WavCoeffs_L0, 5, skip, cp, W_L, H_L, max0, min0);
+        EPDToneMapResid(WavCoeffs_L0, 0, skip, cp, W_L, H_L, max0, min0);
 
     }
 
diff --git a/rtengine/simpleprocess.cc b/rtengine/simpleprocess.cc
index ff2b234a3..8b9bee738 100644
--- a/rtengine/simpleprocess.cc
+++ b/rtengine/simpleprocess.cc
@@ -1066,7 +1066,7 @@ private:
         ipf.chromiLuminanceCurve (nullptr, 1, labView, labView, curve1, curve2, satcurve, lhskcurve, clcurve, lumacurve, utili, autili, butili, ccutili, cclutili, clcutili, dummy, dummy);
 
         if ((params.colorappearance.enabled && !params.colorappearance.tonecie) || (!params.colorappearance.enabled)) {
-            ipf.EPDToneMap (labView, 5, 1);
+            ipf.EPDToneMap (labView, 0, 1);
         }
 
 
@@ -1177,7 +1177,7 @@ private:
             float CAMMean = NAN;
 
             float d, dj, yb;
-            ipf.ciecam_02float (cieView, float (adap), 1, 2, labView, &params, customColCurve1, customColCurve2, customColCurve3, dummy, dummy, CAMBrightCurveJ, CAMBrightCurveQ, CAMMean, 5, 1, true, d, dj, yb, 1);
+            ipf.ciecam_02float (cieView, float (adap), 1, 2, labView, &params, customColCurve1, customColCurve2, customColCurve3, dummy, dummy, CAMBrightCurveJ, CAMBrightCurveQ, CAMMean, 0, 1, true, d, dj, yb, 1);
         }
 
         delete cieView;