diff --git a/locust/static/chart.js b/locust/static/chart.js
index d04e2c19de..7bdca48959 100644
--- a/locust/static/chart.js
+++ b/locust/static/chart.js
@@ -63,7 +63,7 @@
                 },
                 yAxis: {
                     type: 'value',
-                    boundaryGap: [0, '100%'],
+                    boundaryGap: [0, '5%'],
                     splitLine: {
                         show: false
                     },