diff --git a/Objects/structseq.c b/Objects/structseq.c
index 73795b677b404f..0fb3eb9fbcd542 100644
--- a/Objects/structseq.c
+++ b/Objects/structseq.c
@@ -478,8 +478,7 @@ _PyStructSequence_InitType(PyTypeObject *type, PyStructSequence_Desc *desc,
 
     /* PyTypeObject has already been initialized */
     if (Py_REFCNT(type) != 0) {
-        PyErr_BadInternalCall();
-        return -1;
+        return 0;
     }
 
     type->tp_name = desc->name;