1 files changed, 1 insertions, 0 deletions
diff --git a/py/obj.h b/py/obj.h
index 86f560ff51..11c0198bb9 100644
--- a/py/obj.h
+++ b/py/obj.h
@@ -434,6 +434,7 @@ extern const mp_obj_type_t mp_type_SystemExit;
 extern const mp_obj_type_t mp_type_TypeError;
 extern const mp_obj_type_t mp_type_UnicodeError;
 extern const mp_obj_type_t mp_type_ValueError;
+extern const mp_obj_type_t mp_type_ViperTypeError;
 extern const mp_obj_type_t mp_type_ZeroDivisionError;
 
 // Constant objects, globally accessible