diff --git a/utils/misc/src/main/java/org/onlab/graph/DefaultPath.java b/utils/misc/src/main/java/org/onlab/graph/DefaultPath.java
index c1aa802..4a29adf 100644
--- a/utils/misc/src/main/java/org/onlab/graph/DefaultPath.java
+++ b/utils/misc/src/main/java/org/onlab/graph/DefaultPath.java
@@ -33,15 +33,15 @@
     private final V src;
     private final V dst;
     private final List<E> edges;
-    private double cost = 0.0;
+    private Weight cost;
 
     /**
      * Creates a new path from the specified list of edges and cost.
      *
      * @param edges list of path edges
-     * @param cost  path cost as a unit-less number
+     * @param cost  path cost as a weight object
      */
-    public DefaultPath(List<E> edges, double cost) {
+    public DefaultPath(List<E> edges, Weight cost) {
         checkNotNull(edges, "Edges list must not be null");
         checkArgument(!edges.isEmpty(), "There must be at least one edge");
         this.edges = ImmutableList.copyOf(edges);
@@ -61,7 +61,7 @@
     }
 
     @Override
-    public double cost() {
+    public Weight cost() {
         return cost;
     }