diff --git a/Python/ast.c b/Python/ast.c index c70073cdab5..78b4126cdf3 100644 --- a/Python/ast.c +++ b/Python/ast.c @@ -537,7 +537,7 @@ new_identifier(const char* n, PyArena *arena) assert(PyUnicode_IS_READY(id)); /* Check whether there are non-ASCII characters in the identifier; if so, normalize to NFKC. */ - if (PyUnicode_IS_ASCII(id)) { + if (!PyUnicode_IS_ASCII(id)) { PyObject *m = PyImport_ImportModuleNoBlock("unicodedata"); PyObject *id2; if (!m) {