diff --git a/src/plugins/plugin.legend.js b/src/plugins/plugin.legend.js
index 0329570d3..87f078f9c 100644
--- a/src/plugins/plugin.legend.js
+++ b/src/plugins/plugin.legend.js
@@ -3,7 +3,7 @@ import Element from '../core/core.element';
 import layouts from '../core/core.layouts';
 import {drawPoint} from '../helpers/helpers.canvas';
 import {
-	callback as call, merge, valueOrDefault, isNullOrUndef, toFont,
+	callback as call, merge, valueOrDefault, isNullOrUndef, toFont, isObject,
 	toPadding, getRtlAdapter, overrideTextDirection, restoreTextDirection,
 	INFINITY
 } from '../helpers/index';
@@ -746,6 +746,7 @@ export default {
 
 				return chart._getSortedDatasetMetas().map((meta) => {
 					const style = meta.controller.getStyle(usePointStyle ? 0 : undefined);
+					const borderWidth = isObject(style.borderWidth) ? (valueOrDefault(style.borderWidth.top, 0) + valueOrDefault(style.borderWidth.left, 0) + valueOrDefault(style.borderWidth.bottom, 0) + valueOrDefault(style.borderWidth.right, 0)) / 4 : style.borderWidth;
 
 					return {
 						text: datasets[meta.index].label,
@@ -755,7 +756,7 @@ export default {
 						lineDash: style.borderDash,
 						lineDashOffset: style.borderDashOffset,
 						lineJoin: style.borderJoinStyle,
-						lineWidth: style.borderWidth,
+						lineWidth: borderWidth,
 						strokeStyle: style.borderColor,
 						pointStyle: overrideStyle || style.pointStyle,
 						rotation: style.rotation,