diff --git a/lib/std/os/uefi/protocols/file_protocol.zig b/lib/std/os/uefi/protocols/file_protocol.zig
index fb5810d4f..4331d9a38 100644
--- a/lib/std/os/uefi/protocols/file_protocol.zig
+++ b/lib/std/os/uefi/protocols/file_protocol.zig
@@ -10,8 +10,10 @@ pub const FileProtocol = extern struct {
     _delete: extern fn (*const FileProtocol) Status,
     _read: extern fn (*const FileProtocol, *usize, [*]u8) Status,
     _write: extern fn (*const FileProtocol, *usize, [*]const u8) Status,
-    _get_info: extern fn (*const FileProtocol, *Guid, *usize, *c_void) Status,
-    _set_info: extern fn (*const FileProtocol, *Guid, usize, *const c_void) Status,
+    _get_position: extern fn (*const FileProtocol, *u64) Status,
+    _set_position: extern fn (*const FileProtocol, *const u64) Status,
+    _get_info: extern fn (*const FileProtocol, *align(8) const Guid, *const usize, [*]u8) Status,
+    _set_info: extern fn (*const FileProtocol, *align(8) const Guid, usize, [*]const u8) Status,
     _flush: extern fn (*const FileProtocol) Status,
 
     pub fn open(self: *const FileProtocol, new_handle: **const FileProtocol, file_name: [*:0]const u16, open_mode: u64, attributes: u64) Status {
@@ -34,11 +36,11 @@ pub const FileProtocol = extern struct {
         return self._write(self, buffer_size, buffer);
     }
 
-    pub fn get_info(self: *const FileProtocol, information_type: *Guid, buffer_size: *usize, buffer: *c_void) Status {
+    pub fn get_info(self: *const FileProtocol, information_type: *align(8) Guid, buffer_size: *usize, buffer: [*]u8) Status {
         return self._get_info(self, information_type, buffer_size, buffer);
     }
 
-    pub fn set_info(self: *const FileProtocol, information_type: *Guid, buffer_size: usize, buffer: *const c_void) Status {
+    pub fn set_info(self: *const FileProtocol, information_type: *align(8) Guid, buffer_size: usize, buffer: [*]const u8) Status {
         return self._set_info(self, information_type, buffer_size, buffer);
     }