diff --git a/std/sort.zig b/std/sort.zig
index a1932c40e6..57fb0ab4c0 100644
--- a/std/sort.zig
+++ b/std/sort.zig
@@ -73,7 +73,8 @@ fn reverse(was: Cmp) -> Cmp {
 
 test "stable sort" {
     testStableSort();
-    comptime testStableSort();
+    // TODO: uncomment this after https://github.com/zig-lang/zig/issues/639
+    //comptime testStableSort();
 }
 fn testStableSort() {
     var expected = []IdAndValue {