diff --git a/lib/std/c.zig b/lib/std/c.zig
index 97136976ae..df757fcff9 100644
--- a/lib/std/c.zig
+++ b/lib/std/c.zig
@@ -8601,18 +8601,21 @@ pub const O = switch (native_os) {
         CREAT: bool = false,
         TRUNC: bool = false,
         EXCL: bool = false,
-        DSYNC: bool = false,
-        _13: u2 = 0,
+        _12: u3 = 0,
         NOCTTY: bool = false,
         DIRECT: bool = false,
         DIRECTORY: bool = false,
-        NOATIME: bool = false,
-        _19: u1 = 0,
+        EXEC: bool = false,
+        TTY_INIT: bool = false,
         CLOEXEC: bool = false,
+        VERIFY: bool = false,
         PATH: bool = false,
-        /// This is typically invalid without also setting `DIRECTORY`.
-        TMPFILE: bool = false,
-        _: u9 = 0,
+        RESOLVE_BENEATH: bool = false,
+        DSYNC: bool = false,
+        EMPTY_PATH: bool = false,
+        XATTR: bool = false,
+        CLOFORK: bool = false,
+        _28: u4 = 0,
     },
     // https://github.com/SerenityOS/serenity/blob/2808b0376406a40e31293bb3bcb9170374e90506/Kernel/API/POSIX/fcntl.h#L28-L43
     .serenity => packed struct(c_int) {