diff --git a/pandora_console/ChangeLog b/pandora_console/ChangeLog
index 4a565859b9..ac20ba61b6 100644
--- a/pandora_console/ChangeLog
+++ b/pandora_console/ChangeLog
@@ -1,3 +1,10 @@
+2013-02-13  Sergio Martin <sergio.martin@artica.es>
+
+	* include/graphs/functions_flot.php
+	include/graphs/flot/pandora.flot.js
+	operation/agentes/stat_win.php: Improve the legend of the
+	interactive graphs for bug 3573814
+
 2013-02-13  Sergio Martin <sergio.martin@artica.es>
 
 	* include/styles/dialog.css
diff --git a/pandora_console/include/graphs/flot/pandora.flot.js b/pandora_console/include/graphs/flot/pandora.flot.js
index 08af9d3665..1fa313afad 100644
--- a/pandora_console/include/graphs/flot/pandora.flot.js
+++ b/pandora_console/include/graphs/flot/pandora.flot.js
@@ -788,7 +788,8 @@ function pandoraFlotArea(graph_id, values, labels, labels_long, legend, colors,
 			
 			var label_aux = series.label + ' = ';
 			
-			if (serie_types[i] != 'points') {
+			// The graphs of points type and unknown graphs will dont be updated
+			if (serie_types[i] != 'points' && series.label != $('#hidden-unknown_text').val()) {
 				legends.eq(i).text(label_aux.replace(/=.*/, '= ' + parseFloat(y).toFixed(2) +' '+unit));
 			}
 			
diff --git a/pandora_console/include/graphs/functions_flot.php b/pandora_console/include/graphs/functions_flot.php
index 9f7f07004c..cc75936bd5 100644
--- a/pandora_console/include/graphs/functions_flot.php
+++ b/pandora_console/include/graphs/functions_flot.php
@@ -295,6 +295,9 @@ function flot_area_graph($chart_data, $width, $height, $color, $legend, $long_in
 	else {
 		$force_integer = 'false';
 	}
+
+	// Trick to get translated string from javascript
+	$return .= html_print_input_hidden('unknown_text', __('Unknown'), true);
 	
 	// Javascript code
 	$return .= "<script type='text/javascript'>";
diff --git a/pandora_console/operation/agentes/stat_win.php b/pandora_console/operation/agentes/stat_win.php
index cb66098c63..cf27bbdfd4 100644
--- a/pandora_console/operation/agentes/stat_win.php
+++ b/pandora_console/operation/agentes/stat_win.php
@@ -228,6 +228,8 @@ $label = base64_decode(get_parameter('label', ''));
 		
 		$urlImage = ui_get_full_url(false);
 		
+		$unit = db_get_value('unit', 'tagente_modulo', 'id_agente_modulo', $id);
+		
 		// log4x doesnt support flash yet
 		//
 		if ($config['flash_charts'] == 1)
@@ -237,7 +239,7 @@ $label = base64_decode(get_parameter('label', ''));
 		switch ($graph_type) {
 			case 'boolean':
 				echo grafico_modulo_boolean ($id, $period, $draw_events, $width, $height,
-					$label, null, $draw_alerts, $avg_only, false, $date, false, $urlImage, 'adapter_'.$graph_type, $time_compare, $unknown_graph);
+					$label, $unit, $draw_alerts, $avg_only, false, $date, false, $urlImage, 'adapter_'.$graph_type, $time_compare, $unknown_graph);
 				echo '<br>';
 				if ($show_events_graph)
 					echo graphic_module_events($id, $width, $height,
@@ -245,7 +247,7 @@ $label = base64_decode(get_parameter('label', ''));
 				break;
 			case 'sparse':
 				echo grafico_modulo_sparse ($id, $period, $draw_events, $width, $height,
-					$label, null, $draw_alerts, $avg_only, false, $date, '', $baseline,
+					$label, null, $draw_alerts, $avg_only, false, $date, $unit, $baseline,
 					0, true, false, $urlImage, 1, false, 'adapter_'.$graph_type, $time_compare, $unknown_graph);
 				echo '<br>';
 				if ($show_events_graph)