diff --git a/src/js/familyTree.tw b/src/js/familyTree.tw
index 5eeec4734765868541bcf09dff0da8c26fb45851..c96f3494b8b12c892dfb4633e522b48dac1cae76 100644
--- a/src/js/familyTree.tw
+++ b/src/js/familyTree.tw
@@ -118,7 +118,14 @@ window.renderFamilyTree = function(slaves, filterID) {
 
 		node.append('circle')
 			.attr('r', function(d){  return d.r })
-			.attr('stroke', '#5a5a5a')
+			.attr('stroke', function(d) {
+				console.log(d.ID, filterID);
+				if(d.id == filterID) {
+					return '#ffff20';
+				} else {
+					return '#5a5a5a';
+				}
+			})
 			.attr('class', 'node-circle')
 			.attr('r', 20);