diff --git a/src/scales/scale.radialLinear.js b/src/scales/scale.radialLinear.js
index 4be5faf1b67..47b1089d93d 100644
--- a/src/scales/scale.radialLinear.js
+++ b/src/scales/scale.radialLinear.js
@@ -511,7 +511,7 @@ module.exports = LinearScaleBase.extend({
 			return;
 		}
 
-		var startAngle = this.getIndexAngle(0);
+		var startAngle = me.getIndexAngle(0);
 		var tickFont = helpers.options._parseFont(tickOpts);
 		var tickFontColor = valueOrDefault(tickOpts.fontColor, defaults.global.defaultFontColor);
 		var offset, width;
diff --git a/test/fixtures/scale.radialLinear/gridlines-no-z.json b/test/fixtures/scale.radialLinear/gridlines-no-z.json
index fdeae64d474..362c519048d 100644
--- a/test/fixtures/scale.radialLinear/gridlines-no-z.json
+++ b/test/fixtures/scale.radialLinear/gridlines-no-z.json
@@ -2,11 +2,11 @@
     "config": {
         "type": "radar",
         "data": {
-			"labels": ["A", "B", "C", "D", "E"],
-			"datasets": [{
-				"backgroundColor": "rgba(255, 0, 0, 1)",
-				"data": [1,2,3,3,3]
-			}]
+            "labels": ["A", "B", "C", "D", "E"],
+            "datasets": [{
+                "backgroundColor": "rgba(255, 0, 0, 1)",
+                "data": [1,2,3,3,3]
+            }]
         },
         "options": {
             "responsive": false,
diff --git a/test/fixtures/scale.radialLinear/gridlines-z.json b/test/fixtures/scale.radialLinear/gridlines-z.json
index 2aa229a32fc..add497b9a13 100644
--- a/test/fixtures/scale.radialLinear/gridlines-z.json
+++ b/test/fixtures/scale.radialLinear/gridlines-z.json
@@ -2,11 +2,11 @@
     "config": {
         "type": "radar",
         "data": {
-			"labels": ["A", "B", "C", "D", "E"],
-			"datasets": [{
-				"backgroundColor": "rgba(255, 0, 0, 1)",
-				"data": [1,2,3,3,3]
-			}]
+            "labels": ["A", "B", "C", "D", "E"],
+            "datasets": [{
+                "backgroundColor": "rgba(255, 0, 0, 1)",
+                "data": [1,2,3,3,3]
+            }]
         },
         "options": {
             "responsive": false,
@@ -16,7 +16,7 @@
                 "gridLines": {
                     "color": "rgba(0, 0, 0, 1)",
                     "lineWidth": 1,
-					"z": 1
+                    "z": 1
                 },
                 "angleLines": {
                     "color": "rgba(0, 0, 255, 1)",