1 files changed, 2 insertions, 0 deletions
diff --git a/msgpack/unpack.h b/msgpack/unpack.h
index 61e5d91..3dc88e5 100644
--- a/msgpack/unpack.h
+++ b/msgpack/unpack.h
@@ -163,6 +163,8 @@ static inline int template_callback_array_end(unpack_user* u, msgpack_unpack_obj
 {
     if (u->list_hook) {
         PyObject *new_c = PyEval_CallFunction(u->list_hook, "(O)", *c);
+        if (!new_c)
+            return -1;
         Py_DECREF(*c);
         *c = new_c;
     }