diff --git a/samples/cpp/OpenEXRimages_HighDynamicRange_Retina_toneMapping.cpp b/samples/cpp/OpenEXRimages_HighDynamicRange_Retina_toneMapping.cpp
index 4214158dde..1f05858556 100644
--- a/samples/cpp/OpenEXRimages_HighDynamicRange_Retina_toneMapping.cpp
+++ b/samples/cpp/OpenEXRimages_HighDynamicRange_Retina_toneMapping.cpp
@@ -233,8 +233,8 @@ void drawPlot(const cv::Mat curve, const std::string figureTitle, const int lowe
 		 retinaHcellsGain=40;
 		 cv::createTrackbar("Hcells gain", "Retina Parvocellular pathway output : 16bit=>8bit image retina tonemapping",&retinaHcellsGain,100,callBack_updateRetinaParams);
 
-		 localAdaptation_photoreceptors=199;
-		 localAdaptation_Gcells=185;
+		 localAdaptation_photoreceptors=197;
+		 localAdaptation_Gcells=190;
 		 cv::createTrackbar("Ph sensitivity", "Retina Parvocellular pathway output : 16bit=>8bit image retina tonemapping", &localAdaptation_photoreceptors,199,callBack_updateRetinaParams);
 		 cv::createTrackbar("Gcells sensitivity", "Retina Parvocellular pathway output : 16bit=>8bit image retina tonemapping", &localAdaptation_Gcells,199,callBack_updateRetinaParams);