diff --git a/tools/compliance/policy/shipped.go b/tools/compliance/policy/shipped.go
index 6fbbbd6..75c8399 100644
--- a/tools/compliance/policy/shipped.go
+++ b/tools/compliance/policy/shipped.go
@@ -26,12 +26,12 @@
 
 	tset := make(map[*TargetNode]struct{})
 
-	WalkTopDown(lg, func(lg *LicenseGraph, tn *TargetNode, path TargetEdgePath) bool {
+	WalkTopDown(NoEdgeContext{}, lg, func(lg *LicenseGraph, tn *TargetNode, path TargetEdgePath) bool {
 		if _, alreadyWalked := tset[tn]; alreadyWalked {
 			return false
 		}
 		if len(path) > 0 {
-			if !edgeIsDerivation(path[len(path)-1]) {
+			if !edgeIsDerivation(path[len(path)-1].edge) {
 				return false
 			}
 		}