diff --git a/rtengine/histmatching.cc b/rtengine/histmatching.cc
index 0faa8c357..92f658baf 100644
--- a/rtengine/histmatching.cc
+++ b/rtengine/histmatching.cc
@@ -211,7 +211,7 @@ void RawImageSource::getAutoMatchedToneCurve(const ColorManagementParams &cp, st
     neutral.raw.bayersensor.method = RAWParams::BayerSensor::getMethodString(RAWParams::BayerSensor::Method::FAST);
     neutral.raw.xtranssensor.method = RAWParams::XTransSensor::getMethodString(RAWParams::XTransSensor::Method::FAST);
     neutral.icm.output = "sRGB";
-    neutral.icm.gamma = "default";
+    neutral.icm.gamma = "Free";
     neutral.icm.freegamma = false;
     
     std::unique_ptr<IImage8> source;
diff --git a/rtengine/simpleprocess.cc b/rtengine/simpleprocess.cc
index 0e9629498..df4435325 100644
--- a/rtengine/simpleprocess.cc
+++ b/rtengine/simpleprocess.cc
@@ -1253,7 +1253,7 @@ private:
         bool useLCMS = false;
         bool bwonly = params.blackwhite.enabled && !params.colorToning.enabled && !autili && !butili ;
 
-        if (params.icm.gamma != "default" || params.icm.freegamma) { // if select gamma output between BT709, sRGB, linear, low, high, 2.2 , 1.8
+        if (params.icm.gamma != "Free" || params.icm.freegamma) { // if select gamma output between BT709, sRGB, linear, low, high, 2.2 , 1.8
 
             GammaValues ga;
             //  if(params.blackwhite.enabled) params.toneCurve.hrenabled=false;
diff --git a/rtgui/options.cc b/rtgui/options.cc
index c58357287..338d1ac4c 100644
--- a/rtgui/options.cc
+++ b/rtgui/options.cc
@@ -467,7 +467,7 @@ void Options::setDefaults()
     fastexport_icm_output                = "RT_sRGB";
     fastexport_icm_outputIntent          = rtengine::RI_RELATIVE;
     fastexport_icm_outputBPC             = true;
-    fastexport_icm_gamma                 = "default";
+    fastexport_icm_gamma                 = "Free";
     fastexport_resize_enabled            = true;
     fastexport_resize_scale              = 1;
     fastexport_resize_appliesTo          = "Cropped area";