diff --git a/net/smc/smc_core.c b/net/smc/smc_core.c
index d69aac6..ef2fd28 100644
--- a/net/smc/smc_core.c
+++ b/net/smc/smc_core.c
@@ -1426,7 +1426,7 @@ static struct smc_buf_desc *smc_buf_get_slot(int compressed_bufsize,
  */
 static inline int smc_rmb_wnd_update_limit(int rmbe_size)
 {
-	return min_t(int, rmbe_size / 10, SOCK_MIN_SNDBUF / 2);
+	return max_t(int, rmbe_size / 10, SOCK_MIN_SNDBUF / 2);
 }
 
 /* map an rmb buf to a link */