diff --git a/d3/d3.d.ts b/d3/d3.d.ts
index 37719a5f4..50d6fbdaa 100644
--- a/d3/d3.d.ts
+++ b/d3/d3.d.ts
@@ -2810,7 +2810,7 @@ declare module d3 {
 
             nodes(root: T): T[];
 
-            links(nodes: T[]): cluster.Link<T>;
+            links(nodes: T[]): cluster.Link<T>[];
 
             children(): (node: T) => T[];
             children(accessor: (node: T) => T[]): Cluster<T>;