diff --git a/gunicorn/sock.py b/gunicorn/sock.py
index 20b6dc20..298d7211 100644
--- a/gunicorn/sock.py
+++ b/gunicorn/sock.py
@@ -135,7 +135,7 @@ def create_sockets(conf, log):
         raise ValueError('certfile "%s" does not exist' % conf.certfile)
 
     if conf.keyfile and not os.path.exists(conf.keyfile):
-        raise ValueError('certfile "%s" does not exist' % conf.keyfile)
+        raise ValueError('keyfile "%s" does not exist' % conf.keyfile)
 
     # sockets are already bound
     if 'GUNICORN_FD' in os.environ: