1 files changed, 1 insertions, 0 deletions
diff --git a/pez.c b/pez.c
index d7db3e7..3a37815 100644
--- a/pez.c
+++ b/pez.c
@@ -266,6 +266,7 @@ typestr(Val v)
         case PEZ_TArray:    return "array";
         case PEZ_TFn:       return "function";
         case PEZ_TFnProto:  return "(function prototype)";
+        case PEZ_TUpval:    return "(upvalue)";
         case PEZ_TDilambda: return "dilambda";
         }
     }