diff --git a/include/types/hlua.h b/include/types/hlua.h
index b1d99f4..5a3dddb 100644
--- a/include/types/hlua.h
+++ b/include/types/hlua.h
@@ -18,6 +18,7 @@
 
 #define HLUA_RUN       0x00000001
 #define HLUA_CTRLYIELD 0x00000002
+#define HLUA_WAKERESWR 0x00000004
 
 enum hlua_exec {
 	HLUA_E_OK = 0,