1 files changed, 3 insertions, 0 deletions
diff --git a/error.c b/error.c
index 001f93df44..d76922b919 100644
--- a/error.c
+++ b/error.c
@@ -154,6 +154,9 @@ static char *builtin_types[] = {
     "Fixnum",
     "Dictionary",
     "Data",
+    "Method",
+    "Struct",
+    "Bignum",
 };
 
 WrongType(x, t)