--- Coro/Coro/State.xs	2014/05/01 08:09:18	1.444
+++ Coro/Coro/State.xs	2014/05/01 08:09:43	1.445
@@ -3447,7 +3447,7 @@
 
 BOOT:
 {
-#define VARx(name,expr,type) if (sizeof (type) < sizeof (expr)) croak ("FATAL: Coro thread context slot '" # name "' too small for this version of perl");
+#define VARx(name,expr,type) if (sizeof (type) < sizeof (expr)) croak ("FATAL: Coro thread context slot '" # name "' too small for this version of perl.");
 #include "state.h"
 #ifdef USE_ITHREADS
 # if CORO_PTHREAD