diff --git a/src/unix/linux_like/linux/musl/b64/s390x.rs b/src/unix/linux_like/linux/musl/b64/s390x.rs
index c7d6b1bd2c3fb..a883b764b99b3 100644
--- a/src/unix/linux_like/linux/musl/b64/s390x.rs
+++ b/src/unix/linux_like/linux/musl/b64/s390x.rs
@@ -60,33 +60,33 @@ s! {
     }
 
     pub struct statfs {
-        pub f_type: ::c_ulong,
-        pub f_bsize: ::c_ulong,
+        pub f_type: ::c_uint,
+        pub f_bsize: ::c_uint,
         pub f_blocks: ::fsblkcnt_t,
         pub f_bfree: ::fsblkcnt_t,
         pub f_bavail: ::fsblkcnt_t,
         pub f_files: ::fsfilcnt_t,
         pub f_ffree: ::fsfilcnt_t,
         pub f_fsid: ::fsid_t,
-        pub f_namelen: ::c_ulong,
-        pub f_frsize: ::c_ulong,
-        pub f_flags: ::c_ulong,
-        pub f_spare: [::c_ulong; 4],
+        pub f_namelen: ::c_uint,
+        pub f_frsize: ::c_uint,
+        pub f_flags: ::c_uint,
+        pub f_spare: [::c_uint; 4],
     }
 
     pub struct statfs64 {
-        pub f_type: ::c_ulong,
-        pub f_bsize: ::c_ulong,
+        pub f_type: ::c_uint,
+        pub f_bsize: ::c_uint,
         pub f_blocks: ::fsblkcnt_t,
         pub f_bfree: ::fsblkcnt_t,
         pub f_bavail: ::fsblkcnt_t,
         pub f_files: ::fsfilcnt_t,
         pub f_ffree: ::fsfilcnt_t,
         pub f_fsid: ::fsid_t,
-        pub f_namelen: ::c_ulong,
-        pub f_frsize: ::c_ulong,
-        pub f_flags: ::c_ulong,
-        pub f_spare: [::c_ulong; 4],
+        pub f_namelen: ::c_uint,
+        pub f_frsize: ::c_uint,
+        pub f_flags: ::c_uint,
+        pub f_spare: [::c_uint; 4],
     }
 }