diff --git a/projects/rccl/src/misc/ibvwrap.cc b/projects/rccl/src/misc/ibvwrap.cc
index 698465ca48..e1f4578c45 100644
--- a/projects/rccl/src/misc/ibvwrap.cc
+++ b/projects/rccl/src/misc/ibvwrap.cc
@@ -107,6 +107,7 @@ ncclResult_t wrap_ibv_get_device_list(struct ibv_device ***ret, int *num_devices
 }
 
 ncclResult_t wrap_ibv_free_device_list(struct ibv_device **list) {
+  if (list == nullptr) return ncclSuccess;
   IBV_PASSTHRU(ibvSymbols, ibv_internal_free_device_list, ibv_internal_free_device_list(list));
 }