Index: src/libcfa/concurrency/thread.c
===================================================================
--- src/libcfa/concurrency/thread.c	(revision 9cc047288add80fde90745e40c152d8037f4b6a8)
+++ src/libcfa/concurrency/thread.c	(revision c72f9fdda3f7c30ea9be86498e52e5e155eaf6dc)
@@ -87,5 +87,5 @@
 
 void yield( void ) {
-	BlockInternal( (thread_desc*)this_thread );
+	BlockInternal( this_thread );
 }