diff --git a/lib/std/debug/cpu_context.zig b/lib/std/debug/cpu_context.zig
index 1ff61ee2a2..bf1edd83c8 100644
--- a/lib/std/debug/cpu_context.zig
+++ b/lib/std/debug/cpu_context.zig
@@ -1963,6 +1963,9 @@ const signal_ucontext_t = switch (native_os) {
                 _trapno: i64,
                 _err: i64,
                 rip: u64,
+                _cs: i64,
+                _rflags: i64,
+                rsp: u64,
             },
         },
         else => unreachable,
@@ -2012,6 +2015,9 @@ const signal_ucontext_t = switch (native_os) {
                 _trapno: i64,
                 _err: i64,
                 rip: u64,
+                _cs: i64,
+                _rflags: i64,
+                rsp: u64,
             },
             else => unreachable,
         },