diff --git a/net/tap-linux.c b/net/tap-linux.c
index 41d581b..c6521be 100644
--- a/net/tap-linux.c
+++ b/net/tap-linux.c
@@ -98,16 +98,19 @@
  */
 #define TAP_DEFAULT_SNDBUF 0
 
-int tap_set_sndbuf(int fd, QemuOpts *opts)
+int tap_set_sndbuf(int fd, const NetdevTapOptions *tap)
 {
     int sndbuf;
 
-    sndbuf = qemu_opt_get_size(opts, "sndbuf", TAP_DEFAULT_SNDBUF);
+    sndbuf = !tap->has_sndbuf       ? TAP_DEFAULT_SNDBUF :
+             tap->sndbuf > INT_MAX  ? INT_MAX :
+             tap->sndbuf;
+
     if (!sndbuf) {
         sndbuf = INT_MAX;
     }
 
-    if (ioctl(fd, TUNSETSNDBUF, &sndbuf) == -1 && qemu_opt_get(opts, "sndbuf")) {
+    if (ioctl(fd, TUNSETSNDBUF, &sndbuf) == -1 && tap->has_sndbuf) {
         error_report("TUNSETSNDBUF ioctl failed: %s", strerror(errno));
         return -1;
     }