diff --git a/std/sort.zig b/std/sort.zig
index a1932c40e677798a61850e58aa5bda8a6ca7d4c0..57fb0ab4c0b7187e8b938b9ea64e2e9e6a51004f 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 {