diff --git a/mlvpn/patches/021-mlvpn-bind.patch b/mlvpn/patches/021-mlvpn-bind.patch
index c4e2ef8e8..42221bd9f 100644
--- a/mlvpn/patches/021-mlvpn-bind.patch
+++ b/mlvpn/patches/021-mlvpn-bind.patch
@@ -5,7 +5,7 @@
      if (*t->binddev) {
        memset(&ifr, 0, sizeof(ifr));
 -      snprintf(ifr.ifr_name, sizeof(ifr.ifr_name) - 1, t->binddev);
-+      snprintf(ifr.ifr_name, sizeof(ifr.ifr_name) - 1, " on %s", t->binddev);
++      snprintf(ifr.ifr_name, sizeof(ifr.ifr_name) - 1, "%s", t->binddev);
        if (setsockopt(fd, SOL_SOCKET, SO_BINDTODEVICE, (void *)&ifr, sizeof(ifr)) < 0) {
          log_warn(NULL, "failed to bind on interface %s", t->binddev);
        }