diff --git a/src/libsystemd-network/sd-ndisc-router.c b/src/libsystemd-network/sd-ndisc-router.c
index c978547f81..6936ea34e2 100644
--- a/src/libsystemd-network/sd-ndisc-router.c
+++ b/src/libsystemd-network/sd-ndisc-router.c
@@ -114,7 +114,7 @@ int ndisc_router_parse(sd_ndisc *nd, sd_ndisc_router *rt) {
         rt->hop_limit = a->nd_ra_curhoplimit;
         rt->flags = a->nd_ra_flags_reserved; /* the first 8 bits */
         rt->lifetime_usec = be16_sec_to_usec(a->nd_ra_router_lifetime, /* max_as_infinity = */ false);
-        rt->reachable_time_usec = be32_msec_to_usec(a->nd_ra_reachable, /* mas_as_infinity = */ false);
+        rt->reachable_time_usec = be32_msec_to_usec(a->nd_ra_reachable, /* max_as_infinity = */ false);
         rt->retransmission_time_usec = be32_msec_to_usec(a->nd_ra_retransmit, /* max_as_infinity = */ false);
 
         /* RFC 4191 section 2.2