diff --git a/linux-user/fd-trans.c b/linux-user/fd-trans.c
index 64dd0745d2..7f55a0690b 100644
--- a/linux-user/fd-trans.c
+++ b/linux-user/fd-trans.c
@@ -480,7 +480,7 @@ static abi_long host_to_target_for_each_rtattr(struct rtattr *rtattr,
     unsigned short aligned_rta_len;
     abi_long ret;
 
-    while (len > sizeof(struct rtattr)) {
+    while (len >= sizeof(struct rtattr)) {
         rta_len = rtattr->rta_len;
         if (rta_len < sizeof(struct rtattr) ||
             rta_len > len) {