diff --git a/static/js/histogram.js b/static/js/histogram.js
index 5e35cd8..0cc4697 100644
--- a/static/js/histogram.js
+++ b/static/js/histogram.js
@@ -59,6 +59,13 @@ function setData(data) {
             title: {
                 display: true,
                 text: 'Histogram of times of lessons'
+            },
+            scales: {
+                yAxes: [{
+                    ticks: {
+                        beginAtZero: true
+                    }
+                }]
             }
         }
     }).update();