diff --git a/sys/src/cmd/aux/realemu/main.c b/sys/src/cmd/aux/realemu/main.c
index 7283dcbe6..a6b44e136 100644
--- a/sys/src/cmd/aux/realemu/main.c
+++ b/sys/src/cmd/aux/realemu/main.c
@@ -736,6 +736,12 @@ fsread(Req *r)
 	}
 }
 
+static void
+fsstart(Srv*)
+{
+	proccreate(cpuproc, nil, 16*1024);
+}
+
 static void
 fsend(Srv*)
 {
@@ -743,6 +749,7 @@ fsend(Srv*)
 }
 
 static Srv fs = {
+	.start=			fsstart,
 	.attach=		fsattach,
 	.walk1=			fswalk1,
 	.open=			fsopen,
@@ -791,6 +798,5 @@ threadmain(int argc, char *argv[])
 
 	reqchan = chancreate(sizeof(Req*), 8);
 	flushchan = chancreate(sizeof(Req*), 8);
-	procrfork(cpuproc, nil, 16*1024, RFNAMEG|RFNOTEG);
 	threadpostmountsrv(&fs, srv, mnt, MBEFORE);
 }