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-rw-r--r--src/cryptography/hazmat/backends/openssl/x509.py2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/cryptography/hazmat/backends/openssl/x509.py b/src/cryptography/hazmat/backends/openssl/x509.py
index 1c9cf5cf..ef9070d1 100644
--- a/src/cryptography/hazmat/backends/openssl/x509.py
+++ b/src/cryptography/hazmat/backends/openssl/x509.py
@@ -45,7 +45,7 @@ def _build_x509_name(backend, x509_name):
assert res >= 0
assert buf[0] != backend._ffi.NULL
buf = backend._ffi.gc(
- buf, lambda buf: backend._lib.OPENSSL_free(buf[0])
+ buf, lambda buffer: backend._lib.OPENSSL_free(buffer[0])
)
value = backend._ffi.buffer(buf[0], res)[:].decode('utf8')
oid = _obj2txt(backend, obj)