diff --git a/lib/std/zon/parse.zig b/lib/std/zon/parse.zig
index a3d0b69251..5c1621adcf 100644
--- a/lib/std/zon/parse.zig
+++ b/lib/std/zon/parse.zig
@@ -3129,6 +3129,7 @@ test "std.zon free on error" {
 
 test "std.zon vector" {
     if (builtin.zig_backend == .stage2_c) return error.SkipZigTest; // https://github.com/ziglang/zig/issues/15330
+    if (builtin.zig_backend == .stage2_llvm and builtin.cpu.arch == .s390x) return error.SkipZigTest; // github.com/ziglang/zig/issues/25957
 
     const gpa = std.testing.allocator;