diff --git a/assets/js/site.js b/assets/js/site.js
index e219126..5c21caa 100644
--- a/assets/js/site.js
+++ b/assets/js/site.js
@@ -19,7 +19,8 @@ var smallChartOptions = {
         font: {
             color: "#E3E3E3"
         },
-        labelWidth: -10
+        labelWidth: -10,
+        min: 0
     },
     grid: {
         hoverable: true,
@@ -50,7 +51,8 @@ var bigChartOptions = {
         font: {
             color: "#E3E3E3"
         },
-        labelWidth: -5
+        labelWidth: -5,
+        min: 0
     },
     grid: {
         hoverable: true,