diff --git a/OpenSSL/test/test_rand.py b/OpenSSL/test/test_rand.py
index 84b97c5..c52cb6b 100644
--- a/OpenSSL/test/test_rand.py
+++ b/OpenSSL/test/test_rand.py
@@ -190,7 +190,7 @@
             rand.write_file(tmpfile)
             # Verify length of written file
             size = os.stat(tmpfile)[stat.ST_SIZE]
-            self.assertEquals(size, 1024)
+            self.assertEqual(1024, size)
             # Read random bytes from file
             rand.load_file(tmpfile)
             rand.load_file(tmpfile, 4)  # specify a length