diff --git a/sys/src/9/port/sysproc.c b/sys/src/9/port/sysproc.c
index 56cae1723..ad9386b9e 100644
--- a/sys/src/9/port/sysproc.c
+++ b/sys/src/9/port/sysproc.c
@@ -98,6 +98,7 @@ sysrfork(va_list list)
 	p->notified = 0;
 	p->lastnote = up->lastnote;
 
+	p->noteid = up->noteid;
 	p->parentpid = up->pid;
 	p->procmode = up->procmode;
 	p->privatemem = up->privatemem;