diff --git a/ompi/mca/btl/usnic/btl_usnic_module.c b/ompi/mca/btl/usnic/btl_usnic_module.c
index 1af7722a17..8c6062b00a 100644
--- a/ompi/mca/btl/usnic/btl_usnic_module.c
+++ b/ompi/mca/btl/usnic/btl_usnic_module.c
@@ -260,7 +260,8 @@ static int add_procs_create_ahs(ompi_btl_usnic_module_t *module,
                    (e.g., the networking is hosed between us).  So
                    just mark that we can't reach this peer, and print
                    a pretty warning. */
-                else if (EADDRNOTAVAIL == errno) {
+                else if (EADDRNOTAVAIL == errno ||
+                         EHOSTUNREACH == errno) {
                     add_procs_warn_ah_fail(module, endpoints[i]);
 
                     OBJ_RELEASE(endpoints[i]);