diff --git a/src/brite/helper/brite-topology-helper.h b/src/brite/helper/brite-topology-helper.h
index 05abc9d3d..d864c0170 100644
--- a/src/brite/helper/brite-topology-helper.h
+++ b/src/brite/helper/brite-topology-helper.h
@@ -35,6 +35,7 @@ namespace ns3
 {
 
 class PointToPointHelper;
+class Ipv4AddressHelper;
 
 /**
  * \defgroup brite BRITE Topology Generator