diff --git a/src/libcore/int-template.rs b/src/libcore/int-template.rs
index d2793b4c54d4..e67425a89205 100644
--- a/src/libcore/int-template.rs
+++ b/src/libcore/int-template.rs
@@ -117,7 +117,9 @@ fn test_from_str() {
     assert from_str("x") == none;
 }
 
+// FIXME: Has alignment issues on windows
 #[test]
+#[ignore(cfg(target_os = "win32"))]
 fn test_parse_buf() {
     import str::bytes;
     assert parse_buf(bytes("123"), 10u) == some(123 as T);