1 files changed, 1 insertions, 0 deletions

diff --git a/pez.h b/pez.h
index 53d2d29..4edc0df 100644
--- a/pez.h
+++ b/pez.h
@@ -15,6 +15,7 @@ enum {
     PEZ_TBool,
     PEZ_TString,
     PEZ_TFnProto,
+    PEZ_TUpval,
     PEZ_TFn,
     PEZ_TTuple,
     PEZ_TRecord,