diff --git a/src/test/run-pass/tag-disr-val-shape.rs b/src/test/run-pass/tag-disr-val-shape.rs
index 7ec82ac824e5..acb080dfbbb8 100644
--- a/src/test/run-pass/tag-disr-val-shape.rs
+++ b/src/test/run-pass/tag-disr-val-shape.rs
@@ -1,3 +1,4 @@
+// xfail-pretty Issue #1510
 tag color {
     red = 0xff0000;
     green = 0x00ff00;