diff --git a/s390x.md b/s390x.md
index 4df6ecc..b0bd8f7 100644
--- a/s390x.md
+++ b/s390x.md
@@ -66,6 +66,7 @@ Transfer/sec:     70.23MB
   - V https://github.com/vlang/v/issues/18737 at 2025-04-03 now works!
 - Does not work yet:
   - LLVM, Zig, Bun https://github.com/wekan/wekan-node20#trying-to-compile-llvm-for-zig-and-bun-at-s390x-fails
+  - Bun https://github.com/oven-sh/bun/issues/2632
   - Deno, because Rust ring (a crypto dependency) does not support s390x https://github.com/denoland/deno/issues/20212
 
 Ported by others, not xet7: