diff --git a/tests/generic/258 b/tests/generic/258
index fb091ae9..3aeb5ce0 100755
--- a/tests/generic/258
+++ b/tests/generic/258
@@ -62,7 +62,7 @@ fi
 # unmount, remount, and check the timestamp
 echo "Remounting to flush cache"
 umount $TEST_DEV
-mount $TEST_DEV $TEST_DIR
+_test_mount
 
 # Should yield -315593940 (prior to epoch)
 echo "Testing for negative seconds since epoch"