From 7d891600848971f4aae94b30319de0babdfca70e Mon Sep 17 00:00:00 2001
From: Xingan Wang <wangxgwxg@gmail.com>
Date: Sat, 13 May 2017 22:36:28 -0700
Subject: [PATCH] when dataset empty, set scale min max to default if null

---
 src/scales/scale.linear.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/scales/scale.linear.js b/src/scales/scale.linear.js
index 1fe840eec73..b568e165aa2 100644
--- a/src/scales/scale.linear.js
+++ b/src/scales/scale.linear.js
@@ -124,8 +124,8 @@ module.exports = function(Chart) {
 				});
 			}
 
-			me.min = isFinite(me.min) ? me.min : DEFAULT_MIN;
-			me.max = isFinite(me.max) ? me.max : DEFAULT_MAX;
+			me.min = (me.min !== null && isFinite(me.min)) ? me.min : DEFAULT_MIN;
+			me.max = (me.max !== null && isFinite(me.max)) ? me.max : DEFAULT_MAX;
 
 			// Common base implementation to handle ticks.min, ticks.max, ticks.beginAtZero
 			this.handleTickRangeOptions();