diff --git a/sys/src/cmd/cpu.c b/sys/src/cmd/cpu.c
index a7e10fcbc..b797ff142 100644
--- a/sys/src/cmd/cpu.c
+++ b/sys/src/cmd/cpu.c
@@ -301,7 +301,7 @@ old9p(int fd)
 	if(pipe(p) < 0)
 		fatal("pipe: %r");
 
-	switch(rfork(RFPROC|RFMEM|RFFDG|RFNAMEG)) {
+	switch(rfork(RFPROC|RFMEM|RFFDG|RFNAMEG|RFREND)) {
 	case -1:
 		fatal("rfork srvold9p: %r");
 	case 0:
@@ -760,7 +760,7 @@ filter(int fd, char *host)
 	if(filterp == nil)
 		return fd;
 	procsetname("filter %s", filterp);
-	flags = RFNOWAIT|RFPROC|RFMEM|RFFDG;
+	flags = RFNOWAIT|RFPROC|RFMEM|RFFDG|RFREND;
 	if(host == nil){
 		/* remote side */
 		if(announce(anstring, addr) < 0)
diff --git a/sys/src/cmd/page.c b/sys/src/cmd/page.c
index bc5d8c38d..8f0a5b5bb 100644
--- a/sys/src/cmd/page.c
+++ b/sys/src/cmd/page.c
@@ -1404,7 +1404,7 @@ showext(Page *p)
 		fd = dup(fd, -1);
 		seek(fd, 0, 0);
 	}
-	if(rfork(RFPROC|RFMEM|RFFDG|RFNOTEG|RFNOWAIT) == 0){
+	if(rfork(RFPROC|RFMEM|RFFDG|RFNOTEG|RFREND|RFNOWAIT) == 0){
 		if(newwindow(nil) != -1){
 			dupfds(fd, open("/dev/cons", OWRITE), open("/dev/cons", OWRITE), -1);
 			if((fd = open("/dev/label", OWRITE)) >= 0){
diff --git a/sys/src/cmd/paint.c b/sys/src/cmd/paint.c
index cfc07b158..4b2087de2 100644
--- a/sys/src/cmd/paint.c
+++ b/sys/src/cmd/paint.c
@@ -562,7 +562,7 @@ pipeline(char *fmt, ...)
 	va_end(a);
 	if(pipe(p) < 0)
 		return -1;
-	switch(rfork(RFPROC|RFMEM|RFFDG|RFNOTEG)){
+	switch(rfork(RFPROC|RFMEM|RFFDG|RFNOTEG|RFREND)){
 	case -1:
 		close(p[0]);
 		close(p[1]);