diff --git a/daemon/nfs41_server.c b/daemon/nfs41_server.c
index 78d8b29..0739602 100644
--- a/daemon/nfs41_server.c
+++ b/daemon/nfs41_server.c
@@ -189,9 +189,9 @@ static void server_addrs_add(
     } else {
         /* overwrite the address at 'next_index' */
         StringCchCopyA(addrs->addrs.arr[addrs->next_index].netid,
-            NFS41_NETWORK_ID_LEN, addr->netid);
+            NFS41_NETWORK_ID_LEN+1, addr->netid);
         StringCchCopyA(addrs->addrs.arr[addrs->next_index].uaddr,
-            NFS41_UNIVERSAL_ADDR_LEN, addr->uaddr);
+            NFS41_UNIVERSAL_ADDR_LEN+1, addr->uaddr);
 
         /* increment/wrap next_index */
         addrs->next_index = (addrs->next_index + 1) % NFS41_ADDRS_PER_SERVER;