diff --git a/lib/forcegraph.js b/lib/forcegraph.js
index b2b30eb..76e8164 100644
--- a/lib/forcegraph.js
+++ b/lib/forcegraph.js
@@ -553,7 +553,11 @@ define(["d3"], function (d3) {
         e.o = d
         e.source = newNodesDict[d.source.id]
         e.target = newNodesDict[d.target.id]
-        e.color = linkScale(d.tq).hex()
+
+        if (d.vpn)
+          e.color = "rgba(0, 0, 0, " + (0.5 / d.tq) + ")"
+        else
+          e.color = linkScale(d.tq).hex()
 
         return e
       })