diff --git a/sys/net/route/fib_algo.c b/sys/net/route/fib_algo.c
--- a/sys/net/route/fib_algo.c
+++ b/sys/net/route/fib_algo.c
@@ -1028,7 +1028,7 @@
 	FD_PRINTF(LOG_INFO, fd, "DETACH");
 
 	if (fd->fd_rs != NULL)
-		rib_unsibscribe_locked(fd->fd_rs);
+		rib_unsubscribe_locked(fd->fd_rs);
 
 	/*
 	 * After rib_unsubscribe() no _new_ handle_rtable_change_cb() calls
diff --git a/sys/net/route/route_ctl.h b/sys/net/route/route_ctl.h
--- a/sys/net/route/route_ctl.h
+++ b/sys/net/route/route_ctl.h
@@ -154,7 +154,7 @@
     bool waitok);
 struct rib_subscription *rib_subscribe_locked(struct rib_head *rnh,
     rib_subscription_cb_t *f, void *arg, enum rib_subscription_type type);
-void rib_unsibscribe(struct rib_subscription *rs);
-void rib_unsibscribe_locked(struct rib_subscription *rs);
+void rib_unsubscribe(struct rib_subscription *rs);
+void rib_unsubscribe_locked(struct rib_subscription *rs);
 
 #endif
diff --git a/sys/net/route/route_ctl.c b/sys/net/route/route_ctl.c
--- a/sys/net/route/route_ctl.c
+++ b/sys/net/route/route_ctl.c
@@ -1477,7 +1477,7 @@
  * Needs to be run in network epoch.
  */
 void
-rib_unsibscribe(struct rib_subscription *rs)
+rib_unsubscribe(struct rib_subscription *rs)
 {
 	struct rib_head *rnh = rs->rnh;
 
@@ -1492,7 +1492,7 @@
 }
 
 void
-rib_unsibscribe_locked(struct rib_subscription *rs)
+rib_unsubscribe_locked(struct rib_subscription *rs)
 {
 	struct rib_head *rnh = rs->rnh;