diff --git a/htdocs/frontend/index.html b/htdocs/frontend/index.html
index c34e272..43f4db9 100644
--- a/htdocs/frontend/index.html
+++ b/htdocs/frontend/index.html
@@ -106,7 +106,6 @@
 						<td>
 							<label for="render-points"><input type="radio" id="render-points" name="render" value="points" /> Punkte</label>&nbsp;
 							<label for="render-lines"><input type="radio" id="render-lines" name="render" value="lines" /> Linien</label>
-							<label for="render-steps"><input type="radio" id="render-steps" name="render" value="steps" /> Stufen</label>
 						</td>
 					</tr>
 					<tr>
diff --git a/htdocs/frontend/javascripts/options.js b/htdocs/frontend/javascripts/options.js
index 8e9d6ad..ee0d9a3 100644
--- a/htdocs/frontend/javascripts/options.js
+++ b/htdocs/frontend/javascripts/options.js
@@ -30,7 +30,7 @@ vz.options = {
 	backendUrl: '../backend.php', // TODO default backend, store backend urls in cookies
 	tuples: 300,
 	precission: 2, // TODO update from backend capabilities?
-	render: 'steps',
+	render: 'lines',
 	refresh: false,
 	defaultInterval: 24*60*60*1000, // 1 day
 	timezoneOffset: -(new Date().getTimezoneOffset() * 60000) // TODO add option with timezone dropdown
@@ -39,10 +39,8 @@ vz.options = {
 vz.options.plot = {
 	colors: ['#579D1C', '#7E0021', '#FFD320', '#FF420E', '#004586', '#0084D1', '#C5000B', '#FF950E', '#4B1F6F', '#AECF00', '#314004', '#83CAFF'],
 	series: {
-		lines: { show: true },
 		shadowSize: 0,
 		points: {
-			show: false,
 			radius: 1,
 			//symbol: 'square'
 			symbol: function(ctx, x, y, radius, shadow) { // just draw simple pixels
diff --git a/htdocs/frontend/javascripts/wui.js b/htdocs/frontend/javascripts/wui.js
index 88b2f9d..674fa82 100644
--- a/htdocs/frontend/javascripts/wui.js
+++ b/htdocs/frontend/javascripts/wui.js
@@ -102,7 +102,6 @@ vz.wui.init = function() {
 	// plot rendering
 	$('#render-lines').attr('checked', (vz.options.render == 'lines'));
 	$('#render-points').attr('checked', (vz.options.render == 'points'));
-	$('#render-steps').attr('checked', (vz.options.render == 'steps'));
 	$('input[name=render][type=radio]').change(function() {
 		if ($(this).attr('checked')) {
 			vz.options.render = $(this).val();
@@ -511,29 +510,32 @@ vz.entities.loadData = function() {
 vz.wui.drawPlot = function () {
 	vz.wui.updateHeadline();
 
-	var data = new Array;
+	var series = new Array;
 	vz.entities.each(function(entity) {
 		if (entity.active && entity.data && entity.data.tuples && entity.data.tuples.length > 0) {
-			data.push({
+			var serie = {
 				data: entity.data.tuples,
-				color: entity.color
-			});
+				color: entity.color,
+				lines: {
+					show: (vz.options.render == 'lines'),
+					steps: (entity.definition.interpreter == 'Volkszaehler\\Interpreter\\MeterInterpreter')
+				},
+				points: { show: (vz.options.render == 'points') }
+			};
+			
+			series.push(serie);
 		}
 	});
 	
-	if (data.length == 0) {
+	if (series.length == 0) {
 		$('#overlay').html('<img src="images/empty.png" alt="no data..." /><p>nothing to plot...</p>');
-		data.push({});  // add empty dataset to show axes
+		series.push({});  // add empty dataset to show axes
 	}
 	else {
 		$('#overlay').empty();
 	}
 
-	vz.options.plot.series.lines.show = (vz.options.render == 'lines' || vz.options.render == 'steps');
-	vz.options.plot.series.lines.steps = (vz.options.render == 'steps');
-	vz.options.plot.series.points.show = (vz.options.render == 'points');
-
-	vz.plot = $.plot($('#flot'), data, vz.options.plot);
+	vz.plot = $.plot($('#flot'), series, vz.options.plot);
 };
 
 /*