Index: generic/src/proc/thread.c
===================================================================
--- generic/src/proc/thread.c	(revision 482826d75499a7a92dfbb849934f408e9ae8469b)
+++ generic/src/proc/thread.c	(revision 9f16cb01e0860726fd80b8188dbedaa930c7174a)
@@ -304,4 +304,5 @@
 	
 	timeout_initialize(&t->sleep_timeout);
+	t->sleep_interruptible = false;
 	t->sleep_queue = NULL;
 	t->timeout_pending = 0;
@@ -386,5 +387,5 @@
 	waitq_initialize(&wq);
 
-	(void) waitq_sleep_timeout(&wq, usec, SYNCH_NON_BLOCKING);
+	(void) waitq_sleep_timeout(&wq, usec, SYNCH_FLAGS_NON_BLOCKING);
 }