diff --git a/lib/posix/posix_linux_amd64.nim b/lib/posix/posix_linux_amd64.nim
index 8d11c507d70a1..a039d3808a8a3 100644
--- a/lib/posix/posix_linux_amd64.nim
+++ b/lib/posix/posix_linux_amd64.nim
@@ -241,6 +241,7 @@ type
     st_atim*: Timespec   ## Time of last access.
     st_mtim*: Timespec   ## Time of last data modification.
     st_ctim*: Timespec   ## Time of last status change.
+    reserved: array[3, clong]
 
   Statvfs* {.importc: "struct statvfs", header: "<sys/statvfs.h>",
               final, pure.} = object ## struct statvfs