Index: libcfa/src/concurrency/kernel.cfa
===================================================================
--- libcfa/src/concurrency/kernel.cfa	(revision a3821fa7cd1cd775ef0f5213a7acc97154de0d95)
+++ libcfa/src/concurrency/kernel.cfa	(revision 734908cfcffc400f2671ac5021bda6fcf9d8d62b)
@@ -462,4 +462,5 @@
 
 		// variable thrd is no longer safe to use
+	thrd = 0xdeaddeaddeaddeadp;
 
 		// wake the cluster using the save variable.