diff --git a/rtdata/languages/default b/rtdata/languages/default
index 31192d8fb..256dcccb9 100644
--- a/rtdata/languages/default
+++ b/rtdata/languages/default
@@ -1610,7 +1610,7 @@ TP_GAMMA_PRIM_WIDEG;Widegamut
 TP_GAMMA_PRIM_BEST;BestRGB
 TP_GAMMA_PRIM_BETA;BetaRGB
 TP_GAMMA_PRIM_BRUCE;BruceRGB
-TP_GAMMA_TEMP;D illuminant (icc V4)temp
+TP_GAMMA_TEMP;Illuminant (icc V4)temp
 TP_GAMMA_TEMP_DEF;Default
 TP_GAMMA_TEMP_41;D41
 TP_GAMMA_TEMP_50;D50
@@ -1618,6 +1618,7 @@ TP_GAMMA_TEMP_55;D55
 TP_GAMMA_TEMP_60;D60
 TP_GAMMA_TEMP_65;D65
 TP_GAMMA_TEMP_80;D80
+TP_GAMMA_TEMP_INC;Incandescent 2856K
 TP_GAMMA_TEMP_TOOLTIP;Only whith generate ICC V4, you can change the D illuminant
 TP_GENERAL_11SCALE_TOOLTIP;The effects of this tool are only visible or only accurate at a preview scale of 1:1.
 TP_GRADIENT_CENTER;Center
diff --git a/rtengine/iccstore.cc b/rtengine/iccstore.cc
index fad3b569d..75718f843 100644
--- a/rtengine/iccstore.cc
+++ b/rtengine/iccstore.cc
@@ -1440,11 +1440,13 @@ cmsHPROFILE rtengine::ICCStore::createGammaProfile(const procparams::ColorManage
         } else if (icm.wtemp == "D55") {
             tempv4 = 5500.;
         } else if (icm.wtemp == "D60") {
-            tempv4 = 6005.;
+            tempv4 = 6004.;
         } else if (icm.wtemp == "D65") {
             tempv4 = 6504.;
         } else if (icm.wtemp == "D80") {
             tempv4 = 8000.;
+        } else if (icm.wtemp == "INC") {
+            tempv4 = 5003.;
         }
 
     }
@@ -1454,7 +1456,8 @@ cmsHPROFILE rtengine::ICCStore::createGammaProfile(const procparams::ColorManage
     } else {
         cmsWhitePointFromTemp(&xyD, (double)temp);
     }
-
+	
+	if (icm.wtemp == "INC") xyD = {0.447573, 0.407440, 1.0};
 
     // cmsWhitePointFromTemp(&xyD, (double)temp);
 
@@ -1589,6 +1592,8 @@ cmsHPROFILE rtengine::ICCStore::createCustomGammaOutputProfile(const procparams:
             outPr = outPr + "D65";
         } else if (icm.wtemp == "D80") {
             outPr = outPr + "D80";
+        } else if (icm.wtemp == "INC") {
+            outPr = outPr + "INC";
         }
 		//	printf("outpr=%s \n",outPr.c_str());
 
@@ -1771,13 +1776,15 @@ cmsHPROFILE rtengine::ICCStore::createCustomGammaOutputProfile(const procparams:
             } else if (icm.wtemp == "D55") {
                 tempv4 = 5500.;
             } else if (icm.wtemp == "D60") {
-                tempv4 = 6005.;
+                tempv4 = 6004.;
             } else if (icm.wtemp == "D65") {
                 tempv4 = 6504.;
             } else if (icm.wtemp == "D80") {
                 tempv4 = 8000.;
+            } else if (icm.wtemp == "INC") {
+                tempv4 = 5003.;
             }
-			printf("tempv4=%f \n", tempv4);
+			//printf("tempv4=%f \n", tempv4);
 
         }
 
@@ -1786,6 +1793,7 @@ cmsHPROFILE rtengine::ICCStore::createCustomGammaOutputProfile(const procparams:
         } else {
             cmsWhitePointFromTemp(&xyD, (double)temp);
         }
+		if (icm.wtemp == "INC") xyD = {0.447573, 0.407440, 1.0};
 
         cmsToneCurve* GammaTRC[3];
 
diff --git a/rtgui/icmpanel.cc b/rtgui/icmpanel.cc
index 68bdc434f..c647b2c04 100644
--- a/rtgui/icmpanel.cc
+++ b/rtgui/icmpanel.cc
@@ -326,6 +326,8 @@ ICMPanel::ICMPanel() : FoldableToolPanel(this, "icm", M("TP_ICM_LABEL")), iuncha
     wtemp->append(M("TP_GAMMA_TEMP_60"));
     wtemp->append(M("TP_GAMMA_TEMP_65"));
     wtemp->append(M("TP_GAMMA_TEMP_80"));
+    wtemp->append(M("TP_GAMMA_TEMP_INC"));
+	
     wtemp->set_active(0);
     wtemp->set_tooltip_text(M("TP_GAMMA_TEMP_TOOLTIP"));
 
@@ -643,6 +645,8 @@ void ICMPanel::read(const ProcParams* pp, const ParamsEdited* pedited)
         wtemp->set_active(5);
     } else if (pp->icm.wtemp == "D80") {
         wtemp->set_active(6);
+    } else if (pp->icm.wtemp == "INC") {
+        wtemp->set_active(7);
     }
 
 
@@ -836,6 +840,8 @@ void ICMPanel::write(ProcParams* pp, ParamsEdited* pedited)
         pp->icm.wtemp = "D65";
     } else if (wtemp->get_active_row_number() == 6) {
         pp->icm.wtemp = "D80";
+    } else if (wtemp->get_active_row_number() == 7) {
+        pp->icm.wtemp = "INC";
     }
 	
     pp->icm.freegamma = freegamma->get_active();