diff --git a/src/shims/fs.rs b/src/shims/fs.rs
index b3d16dba6e6e..d4a000305f64 100644
--- a/src/shims/fs.rs
+++ b/src/shims/fs.rs
@@ -320,6 +320,7 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriEvalContextExt<'mir, 'tcx
             immty_from_uint_checked(0u128, uid_t_layout)?, // st_uid
             immty_from_uint_checked(0u128, gid_t_layout)?, // st_gid
             immty_from_uint_checked(0u128, dev_t_layout)?, // st_rdev
+            immty_from_uint_checked(0u128, dev_t_layout)?, // padding
             immty_from_uint_checked(access_sec, time_t_layout)?, // st_atime
             immty_from_uint_checked(access_nsec, long_layout)?, // st_atime_nsec
             immty_from_uint_checked(modified_sec, time_t_layout)?, // st_mtime