--- Coro-Multicore/Multicore.xs	2015/06/29 13:15:53	1.6
+++ Coro-Multicore/Multicore.xs	2015/06/29 16:00:36	1.7
@@ -4,7 +4,7 @@
 #include "perl.h"
 #include "XSUB.h"
 
-#define X_STACKSIZE -1
+#define X_STACKSIZE 1024 * sizeof (void *)
 
 #include "CoroAPI.h"
 #include "perlmulticore.h"