diff --git a/oslo_utils/secretutils.py b/oslo_utils/secretutils.py
index 3183865..83e00e8 100644
--- a/oslo_utils/secretutils.py
+++ b/oslo_utils/secretutils.py
@@ -46,13 +46,10 @@ def md5(string=b'', usedforsecurity=True):
     return hashlib.md5(string, usedforsecurity=usedforsecurity)  # nosec
 
 
-if ctypes.util.find_library("crypt"):
-    _libcrypt = ctypes.CDLL(ctypes.util.find_library("crypt"), use_errno=True)
-    _crypt = _libcrypt.crypt
-    _crypt.argtypes = (ctypes.c_char_p, ctypes.c_char_p)
-    _crypt.restype = ctypes.c_char_p
-else:
-    _crypt = None
+_libcrypt = ctypes.CDLL("@crypt@", use_errno=True)
+_crypt = _libcrypt.crypt
+_crypt.argtypes = (ctypes.c_char_p, ctypes.c_char_p)
+_crypt.restype = ctypes.c_char_p
 
 
 def crypt_mksalt(method):