Index: libcfa/src/concurrency/clib/cfathread.cfa
===================================================================
--- libcfa/src/concurrency/clib/cfathread.cfa	(revision 5d1ebb9ee27c108ff802b8edbc4cc489ebc3f34a)
+++ libcfa/src/concurrency/clib/cfathread.cfa	(revision 75965a6a63ea1e2e99384204281cd620b1df6f11)
@@ -22,4 +22,5 @@
 #include "thread.hfa"
 #include "time.hfa"
+#include "stdlib.hfa"
 
 #include "cfathread.h"
@@ -195,5 +196,5 @@
 				eevent.data.u64 = (uint64_t)active_thread();
 
-				int id = thread_rand() % poller_cnt;
+				int id = prng() % poller_cnt;
 				if(0 != epoll_ctl(poller_fds[id], EPOLL_CTL_ADD, fd, &eevent))
 				{