diff --git a/src/controllers/controller.line.js b/src/controllers/controller.line.js
index 48ca501b1..ec524c5ab 100644
--- a/src/controllers/controller.line.js
+++ b/src/controllers/controller.line.js
@@ -86,9 +86,16 @@ module.exports = function(Chart) {
 				// Data
 				line._children = points;
 				// Model
+
+				// Compatibility: If the properties are defined with only the old name, use those values
+				if ((this.getDataset().tension !== undefined) && (this.getDataset().lineTension === undefined))
+				{
+					this.getDataset().lineTension = this.getDataset().tension;
+				}
+
 				line._model = {
 					// Appearance
-					tension: line.custom && line.custom.tension ? line.custom.tension : helpers.getValueOrDefault(this.getDataset().tension, this.chart.options.elements.line.tension),
+					tension: line.custom && line.custom.tension ? line.custom.tension : helpers.getValueOrDefault(this.getDataset().lineTension, this.chart.options.elements.line.tension),
 					backgroundColor: line.custom && line.custom.backgroundColor ? line.custom.backgroundColor : (this.getDataset().backgroundColor || this.chart.options.elements.line.backgroundColor),
 					borderWidth: line.custom && line.custom.borderWidth ? line.custom.borderWidth : (this.getDataset().borderWidth || this.chart.options.elements.line.borderWidth),
 					borderColor: line.custom && line.custom.borderColor ? line.custom.borderColor : (this.getDataset().borderColor || this.chart.options.elements.line.borderColor),