1 files changed, 3 insertions, 0 deletions
diff --git a/msgpack/unpack.h b/msgpack/unpack.h
index 7064a1b..0851ec2 100644
--- a/msgpack/unpack.h
+++ b/msgpack/unpack.h
@@ -206,6 +206,9 @@ static inline int template_callback_map_end(unpack_user* u, msgpack_unpack_objec
 {
     if (u->object_hook) {
         PyObject *new_c = PyEval_CallFunction(u->object_hook, "(O)", *c);
+        if (new_c == NULL) {
+            return -1;
+        }
         Py_DECREF(*c);
         *c = new_c;
     }