diff --git a/projects/rccl/tools/topo_expl/utils.cpp b/projects/rccl/tools/topo_expl/utils.cpp
index 8a3d04298f..fd9201699e 100644
--- a/projects/rccl/tools/topo_expl/utils.cpp
+++ b/projects/rccl/tools/topo_expl/utils.cpp
@@ -390,7 +390,7 @@ void dumpData(struct ncclConnect* data, int ndata) {
   }
 }
 
-ncclResult_t ncclTransportP2pSetup(struct ncclComm* comm, struct ncclTopoGraph* graph, int connIndex, int* highestTransportType/*=NULL*/) {
+ncclResult_t ncclTransportP2pSetup(struct ncclComm* comm, struct ncclTopoGraph* graph, int connIndex, int* highestTransportType/*=NULL*/, bool* needsProxy/*=NULL*/) {
   // Stream used during transport setup; need for P2P pre-connect + CUDA Graph
   ncclResult_t ret = ncclSuccess;
   int highestType = TRANSPORT_P2P;  // track highest transport type