diff --git a/app/main/static/js/charges.js b/app/main/static/js/charges.js
index 42a89a1..28a8ae9 100644
--- a/app/main/static/js/charges.js
+++ b/app/main/static/js/charges.js
@@ -1,4 +1,4 @@
-const margin = {top: 150, right: 40, bottom: 10, left: 40},
+var margin = {top: 30, right: 30, bottom: 130, left: 90},
     width = 1000 - margin.left - margin.right,
     height = 500 - margin.top - margin.bottom;
 
@@ -39,7 +39,7 @@ function build_chart(div_selector, data_url) {
         var services = data.columns.slice(1)
         var periods = d3.map(data, d => d.period)
 
-        console.log(data)
+        // console.log(data)
 
         var stack = d3.stack()
             .keys(services)
@@ -53,8 +53,13 @@ function build_chart(div_selector, data_url) {
             .range([0, width])
             .padding(0.1);
 
+        y_max = d3.max(stacked_data[stacked_data.length - 1], d => d[1]);
+        if ( y_max == 0 ) {
+            console.log(y_max)
+            y_max = height
+        }
         const y = d3.scaleLinear()
-            .domain([0, 100])
+            .domain([0, y_max])
             .range([height, 0]);
 
 
--
libgit2 0.21.2