From 268abf8d7cdfbc00304bb82f7a69e5fe7657d565 Mon Sep 17 00:00:00 2001
From: Peter Pisljar <peter.pisljar@gmail.com>
Date: Tue, 11 Dec 2018 07:14:25 +0100
Subject: [PATCH] fixing tooltips for line chart (#26881)

---
 src/ui/public/vislib/visualizations/point_series/line_chart.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/ui/public/vislib/visualizations/point_series/line_chart.js b/src/ui/public/vislib/visualizations/point_series/line_chart.js
index 478e8fc60ad95..38d79f6e5a1ad 100644
--- a/src/ui/public/vislib/visualizations/point_series/line_chart.js
+++ b/src/ui/public/vislib/visualizations/point_series/line_chart.js
@@ -75,7 +75,7 @@ export function VislibVisualizationsLineChartProvider(Private) {
         .selectAll('circle')
         .data(function appendData() {
           return data.values.filter(function (d) {
-            return !_.isNull(d.y);
+            return !_.isNull(d.y) && (d.y || !d.y0);
           });
         });