1 files changed, 2 insertions, 2 deletions

diff --git a/lfunc.h b/lfunc.h
index 3d296971..3be265ef 100644
--- a/lfunc.h
+++ b/lfunc.h
@@ -29,10 +29,10 @@
 #define MAXUPVAL        255
 
 
-#define upisopen(up)    ((up)->v != &(up)->u.value)
+#define upisopen(up)    ((up)->v.p != &(up)->u.value)
 
 
-#define uplevel(up)     check_exp(upisopen(up), cast(StkId, (up)->v))
+#define uplevel(up)     check_exp(upisopen(up), cast(StkId, (up)->v.p))
 
 
 /*