diff --git a/libc/kernel/uapi/linux/input.h b/libc/kernel/uapi/linux/input.h
index f138f64..fe17226 100644
--- a/libc/kernel/uapi/linux/input.h
+++ b/libc/kernel/uapi/linux/input.h
@@ -32,6 +32,7 @@
   __kernel_ulong_t __sec;
 #if defined(__sparc__) && defined(__arch64__)
   unsigned int __usec;
+  unsigned int __pad;
 #else
   __kernel_ulong_t __usec;
 #endif