diff --git a/js/app/views/ParamArgumentsUI.js b/js/app/views/ParamArgumentsUI.js
index 384d942..445e481 100644
--- a/js/app/views/ParamArgumentsUI.js
+++ b/js/app/views/ParamArgumentsUI.js
@@ -295,11 +295,10 @@ Ext.define('amdaUI.ParamArgumentsUI', {
 								fieldset.collapse();
 							}
 							else {
-								var minValue = relatedTable.channels[0].min;
-								var maxValue = relatedTable.channels[relatedTable.channels.length - 1].max;
+								var minValue = parseFloat(relatedTable.channels[0].min);
+								var maxValue = parseFloat(relatedTable.channels[relatedTable.channels.length - 1].max);
 								fieldset.items.items[ + (minValue > maxValue)].setValue(minValue); 
 								fieldset.items.items[ + (minValue < maxValue)].setValue(maxValue);
-
 	// 						if (indexesCombo.getValue() == "*") {
 	// 							Ext.Object.each(relatedTable.channels, function (index, channel) {
 	// 								//ToDo
--
libgit2 0.21.2