fading tooltip

diff --git a/src/core/core.tooltip.js b/src/core/core.tooltip.js
index 2470a48309ab5358cffe1ba25ce17cfbb6dbef6a..16fcb099b36d72c23d8023df6f0656c2b5153a69 100755 (executable)
--- a/src/core/core.tooltip.js
+++ b/src/core/core.tooltip.js
@@ -729,7 +729,7 @@ module.exports = function(Chart) {
                },
                drawBackground: function(pt, vm, ctx, tooltipSize, opacity) {
                        ctx.fillStyle = mergeOpacity(vm.backgroundColor, opacity);
-                       ctx.strokeStyle = vm.borderColor;
+                       ctx.strokeStyle = mergeOpacity(vm.borderColor, opacity);
                        ctx.lineWidth = vm.borderWidth;
                        var xAlign = vm.xAlign;
                        var yAlign = vm.yAlign;