diff --git a/rtengine/iccmatrices.h b/rtengine/iccmatrices.h
index d20cb70c3..29426c62d 100644
--- a/rtengine/iccmatrices.h
+++ b/rtengine/iccmatrices.h
@@ -80,15 +80,15 @@ constexpr double xyz_sRGB[3][3] = {
 };
 
 constexpr double xyz_ACESp0[3][3] = {
-    {0.9525523959, 0.0, 0.0000936786},
-    {0.3439664498, 0.7281660966  , -0.0721325464},
-    {0.0, -0.0, 1.0088251844}
+    {0.9908526, 0.0122334, -0.0388654},
+    {0.3618807, 0.72255045  , -0.0843859},
+    {-0.0027093, 0.0082323, 0.8196880}
 };
 
 constexpr double ACESp0_xyz[3][3] = {
-    {1.0498110175, 0.0, -0.0000974845},
-    {-0.4959030231, 1.3733130458  , 0.0982400361},
-    {0.0,  0.0, 0.9912520182}
+    {1.01583320, -0.01772807, 0.04634052},
+    {-0.50781231, 1.39131494  , 0.11915641},
+    {0.00845768,  -0.01403193, 1.21893277}
 };
 
 constexpr double xyz_ACESp1[3][3] = {
diff --git a/rtengine/iplab2rgb.cc b/rtengine/iplab2rgb.cc
index cab77c8ab..c4707f16f 100644
--- a/rtengine/iplab2rgb.cc
+++ b/rtengine/iplab2rgb.cc
@@ -602,6 +602,10 @@ Imagefloat* ImProcFunctions::workingtrc(Imagefloat* working, int cw, int ch, int
 
         // 7 parameters for smoother curves
         cmsWhitePointFromTemp(&xyD, (double)temp);
+        if (profile == "ACESp0") {
+            xyD = {0.32168, 0.33767, 1.0};//refine white point to avoid differences
+        }
+        
         GammaTRC[0] = GammaTRC[1] = GammaTRC[2] =   cmsBuildParametricToneCurve(NULL, five, gammaParams);//5 = more smoother than 4
         oprofdef = cmsCreateRGBProfile(&xyD, &Primaries, GammaTRC);
         cmsFreeToneCurve(GammaTRC[0]);
diff --git a/rtgui/iccprofilecreator.cc b/rtgui/iccprofilecreator.cc
index a61f0e80d..8ae8d4ab9 100644
--- a/rtgui/iccprofilecreator.cc
+++ b/rtgui/iccprofilecreator.cc
@@ -117,7 +117,7 @@ ICCProfileCreator::ICCProfileCreator(RTWindow *rtwindow)
     setExpandAlignProperties(aPrimariesGreenY, true, false, Gtk::ALIGN_FILL, Gtk::ALIGN_CENTER);
     aPrimariesBlueX = Gtk::manage(new Adjuster(M("ICCPROFCREATOR_PRIM_BLUX"), 0.0001, 0.1600, 0.0001, 0.1500/*, gamutl4, gamuts4*/));
     setExpandAlignProperties(aPrimariesBlueX, true, false, Gtk::ALIGN_FILL, Gtk::ALIGN_CENTER);
-    aPrimariesBlueY = Gtk::manage(new Adjuster(M("ICCPROFCREATOR_PRIM_BLUY"), -0.0700, 0.0700, 0.0001, 0.060/*, gamutl5, gamuts5*/));
+    aPrimariesBlueY = Gtk::manage(new Adjuster(M("ICCPROFCREATOR_PRIM_BLUY"), -0.0800, 0.0700, 0.0001, 0.060/*, gamutl5, gamuts5*/));
     setExpandAlignProperties(aPrimariesBlueY, true, false, Gtk::ALIGN_FILL, Gtk::ALIGN_CENTER);
 
     primariesGrid->attach(*aPrimariesRedX,   0, 0, 1, 1);