diff --git a/share/man/man9/Makefile b/share/man/man9/Makefile
index 530dff31c8d..b35cfce00be 100644
--- a/share/man/man9/Makefile
+++ b/share/man/man9/Makefile
@@ -1714,6 +1714,7 @@ MLINKS+=time.9 boottime.9 \
 	time.9 time_uptime.9
 MLINKS+=timeout.9 callout.9 \
 	timeout.9 callout_active.9 \
+	timeout.9 callout_async_drain.9 \
 	timeout.9 callout_deactivate.9 \
 	timeout.9 callout_drain.9 \
 	timeout.9 callout_handle_init.9 \