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-rw-r--r--erts/emulator/nifs/common/socket_nif.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/erts/emulator/nifs/common/socket_nif.c b/erts/emulator/nifs/common/socket_nif.c
index 1298ae4dba..e71c786d3e 100644
--- a/erts/emulator/nifs/common/socket_nif.c
+++ b/erts/emulator/nifs/common/socket_nif.c
@@ -4004,7 +4004,7 @@ ERL_NIF_TERM nsupports_options_tcp(ErlNifEnv* env)
/* *** SOCKET_OPT_TCP_MAXSEG => TCP_MAXSEG *** */
-#if defined(TCP_)
+#if defined(TCP_MAXSEG)
tmp = MKT2(env, esock_atom_maxseg, esock_atom_true);
#else
tmp = MKT2(env, esock_atom_maxseg, esock_atom_false);
@@ -4018,7 +4018,7 @@ ERL_NIF_TERM nsupports_options_tcp(ErlNifEnv* env)
/* *** SOCKET_OPT_TCP_NODELAY => TCP_NODELAY *** */
-#if defined(TCP_)
+#if defined(TCP_NODELAY)
tmp = MKT2(env, esock_atom_nodelay, esock_atom_true);
#else
tmp = MKT2(env, esock_atom_nodelay, esock_atom_false);