Index: libcfa/src/bits/debug.hfa
===================================================================
--- libcfa/src/bits/debug.hfa	(revision 6a490b2bb8f7820c78fa1575bef760986527a2d8)
+++ libcfa/src/bits/debug.hfa	(revision 4fa44e709bfb1dc5336916a9c723d0d31fece21d)
@@ -52,5 +52,6 @@
 		|| defined(__CFA_DEBUG_PRINT_IO__) || defined(__CFA_DEBUG_PRINT_IO_CORE__) \
 		|| defined(__CFA_DEBUG_PRINT_MONITOR__) || defined(__CFA_DEBUG_PRINT_PREEMPTION__) \
-		|| defined(__CFA_DEBUG_PRINT_RUNTIME_CORE__) || defined(__CFA_DEBUG_PRINT_EXCEPTION__)
+		|| defined(__CFA_DEBUG_PRINT_RUNTIME_CORE__) || defined(__CFA_DEBUG_PRINT_EXCEPTION__) \
+		|| defined(__CFA_DEBUG_PRINT_READY_QUEUE__)
 	#include <stdio.h>
 	#include <unistd.h>