Fixed tooltip not showing in NULL datapoint in multi line chart

diff --git a/src/core/core.tooltip.js b/src/core/core.tooltip.js
index 38ec6eac95d76883bf06b2ea6ab3733d4947b54b..44ceee7c419abbd64ebf39713111b3789ac6c105 100644 (file)
--- a/src/core/core.tooltip.js
+++ b/src/core/core.tooltip.js
@@ -197,7 +197,7 @@ module.exports = function(Chart) {
                        var yPositions = [];
 
                        helpers.each(elements, function(el) {
-                               if (el) {
+                               if (el && el.hasValue()){
                                        var pos = el.tooltipPosition();
                                        xPositions.push(pos.x);
                                        yPositions.push(pos.y);