diff --git a/erts/emulator/drivers/common/inet_drv.c b/erts/emulator/drivers/common/inet_drv.c
index afa268c0891e..512f15db25db 100644
--- a/erts/emulator/drivers/common/inet_drv.c
+++ b/erts/emulator/drivers/common/inet_drv.c
@@ -13522,7 +13522,7 @@ static int tcp_send_error(tcp_descriptor* desc, int err)
      * show_econnreset socket option enabled to receive {error, econnreset} on
      * both send and recv operations to indicate that an RST has been received.
      */
-#ifdef __WIN_32__
+#ifdef __WIN32__
     if (err == ECONNABORTED)
 	err = ECONNRESET;
 #endif
diff --git a/erts/emulator/nifs/common/prim_socket_nif.c b/erts/emulator/nifs/common/prim_socket_nif.c
index 7a7ad9c272fe..a0ac8f281c37 100644
--- a/erts/emulator/nifs/common/prim_socket_nif.c
+++ b/erts/emulator/nifs/common/prim_socket_nif.c
@@ -6040,7 +6040,7 @@ nif_sendfile(ErlNifEnv*         env,
 
         if ((! (a2ok = GET_INT64(env, argv[2], &offset64))) ||
             (! GET_UINT64(env, argv[3], &count64u))) {
-            if ((! IS_INTEGER(env, argv[3])) ||
+            if ((! IS_INTEGER(env, argv[2])) ||
                 (! IS_INTEGER(env, argv[3])))
                 return enif_make_badarg(env);
             if (! a2ok)