diff --git a/generic_data/defaultValuesConfig.json b/generic_data/defaultValuesConfig.json
index 05b1576..6b56b78 100644
--- a/generic_data/defaultValuesConfig.json
+++ b/generic_data/defaultValuesConfig.json
@@ -246,6 +246,7 @@
 
 	"availableHistogram2DFunctions": [
 		{ "key": "density", "value": "Density" },
+		{ "key": "normdensity", "value": "Normalised Density" },
 		{ "key": "mean", "value": "Mean" },
 		{ "key": "min", "value": "Minimum" },
 		{ "key": "max", "value": "Maximum" },
diff --git a/js/app/views/PlotComponents/PlotHistogram2DSerieForm.js b/js/app/views/PlotComponents/PlotHistogram2DSerieForm.js
index a0b9788..d7218e5 100644
--- a/js/app/views/PlotComponents/PlotHistogram2DSerieForm.js
+++ b/js/app/views/PlotComponents/PlotHistogram2DSerieForm.js
@@ -22,7 +22,7 @@ Ext.define('amdaPlotComp.PlotHistogram2DSerieForm', {
 	},
 
 	updateOptions: function(functionType) {
-		var isDensity = (functionType == 'density');
+		var isDensity = (functionType == 'density' || functionType == 'normdensity');
 
 		var zParamField = this.getForm().findField('histotype-param');
 		zParamField.setVisible(!isDensity)
--
libgit2 0.21.2