diff --git a/include/types/hlua.h b/include/types/hlua.h
index 274659c..0e1b2fc 100644
--- a/include/types/hlua.h
+++ b/include/types/hlua.h
@@ -35,6 +35,7 @@
 	             -1 if the memory context is not used. */
 	int nargs; /* The number of arguments in the stack at the start of execution. */
 	unsigned int flags; /* The current execution flags. */
+	int wake_time; /* The lua wants to be waked at this time, or before. */
 	int expire; /* Lua execution must be stopped over this time. */
 	struct task *task; /* The task associated with the lua stack execution.
 	                      We must wake this task to continue the task execution */