diff --git a/sys/net/rtsock.c b/sys/net/rtsock.c
index 6b7c29b47e7..dd19dfc94b8 100644
--- a/sys/net/rtsock.c
+++ b/sys/net/rtsock.c
@@ -356,6 +356,7 @@ rtm_get_jailed(struct rt_addrinfo *info, struct ifnet *ifp,
 		 * Try to find an address on the given outgoing interface
 		 * that belongs to the jail.
 		 */
+		IF_ADDR_LOCK(ifp);
 		TAILQ_FOREACH(ifa, &ifp->if_addrhead, ifa_link) {
 			struct sockaddr *sa;
 			sa = ifa->ifa_addr;
@@ -367,6 +368,7 @@ rtm_get_jailed(struct rt_addrinfo *info, struct ifnet *ifp,
 				break;
 			}
 		}
+		IF_ADDR_UNLOCK(ifp);
 		if (!found) {
 			/*
 			 * As a last resort return the 'default' jail address.
@@ -394,6 +396,7 @@ rtm_get_jailed(struct rt_addrinfo *info, struct ifnet *ifp,
 		 * Try to find an address on the given outgoing interface
 		 * that belongs to the jail.
 		 */
+		IF_ADDR_LOCK(ifp);
 		TAILQ_FOREACH(ifa, &ifp->if_addrhead, ifa_link) {
 			struct sockaddr *sa;
 			sa = ifa->ifa_addr;
@@ -406,6 +409,7 @@ rtm_get_jailed(struct rt_addrinfo *info, struct ifnet *ifp,
 				break;
 			}
 		}
+		IF_ADDR_UNLOCK(ifp);
 		if (!found) {
 			/*
 			 * As a last resort return the 'default' jail address.