diff --git a/sys/src/kern/port/sysproc.c b/sys/src/kern/port/sysproc.c
index e742a9d..3956135 100644
--- a/sys/src/kern/port/sysproc.c
+++ b/sys/src/kern/port/sysproc.c
@@ -821,6 +821,15 @@ sysrendezvous(void* tagp, void* rendvalp)
 	up->rendval = ~0;
 
 	lock(&up->rgrp->l);
+
+	/* NOTE:
+	 * In Jehanne, the rendezvous point ~0 is always private:
+	 * it can only be interrupted from a scheduled wakeup
+	 * (see sysawake) or from a note
+	 */
+	if(tag == (uintptr_t)~0)
+		goto rendezvousBlocks;
+
 	for(p = *l; p; p = p->rendhash) {
 		if(p->rendtag == tag) {
 			*l = p->rendhash;
@@ -839,6 +848,7 @@ sysrendezvous(void* tagp, void* rendvalp)
 		l = &p->rendhash;
 	}
 
+rendezvousBlocks:
 	up->blockingsc = up->cursyscall;
 	if(awakeOnBlock(up)){
 		unlock(&up->rgrp->l);
diff --git a/sys/src/lib/c/9sys/sleep.c b/sys/src/lib/c/9sys/sleep.c
index 99fb541..7fe3133 100644
--- a/sys/src/lib/c/9sys/sleep.c
+++ b/sys/src/lib/c/9sys/sleep.c
@@ -26,7 +26,7 @@ jehanne_sleep(int32_t millisecs)
 
 	wakeup = awake(millisecs);	// give up the processor, in any case
 	if(millisecs > 0)
-		while(rendezvous(&wakeup, (void*)1) == (void*)~0)
+		while(rendezvous((void*)~0, (void*)1) == (void*)~0)
 			if(jehanne_awakened(wakeup))
 				return;
 }