diff --git a/monkey/monkey_island/cc/ui/src/components/pages/ReportPage.js b/monkey/monkey_island/cc/ui/src/components/pages/ReportPage.js
index 61e80737b..254d75809 100644
--- a/monkey/monkey_island/cc/ui/src/components/pages/ReportPage.js
+++ b/monkey/monkey_island/cc/ui/src/components/pages/ReportPage.js
@@ -104,7 +104,7 @@ class ReportPageComponent extends AuthComponent {
       .then(res => res.json())
       .then(res => {
         res.edges.forEach(edge => {
-          edge.color = edgeGroupToColor(edge.group);
+          edge.color = {'color': edgeGroupToColor(edge.group)};
         });
         this.setState({graph: res});
         this.props.onStatusChange();