diff --git a/rtl/freebsd/freebsd.pas b/rtl/freebsd/freebsd.pas
index 5f9148391b..d477bf1764 100644
--- a/rtl/freebsd/freebsd.pas
+++ b/rtl/freebsd/freebsd.pas
@@ -185,6 +185,10 @@ Type
   function kse_release(timeout: PTimeSpec): cInt; extdecl;
   function kse_switchin(tmbx: PKseThrMailBox; flags: cInt): cInt; extdecl;
 
+{$ifndef FPC_USE_LIBC}
+function fpgetfsstat(buf:pstatfs;bufsize:clong;flags:cint):cint;
+{$endif} 
+
 Const
  MAP_FILE         = $0000;  { map from file (default) }
  MAP_ANON         = $1000;  { allocated from memory, swap space }
@@ -294,6 +298,10 @@ begin
   kse_switchin:=do_SysCall(syscall_nr_kse_switchin, TSysParam(tmbx), TSysParam(flags));
 end;
 
+function fpgetfsstat(buf:pstatfs;bufsize:clong;flags:cint):cint;
+begin
+  fpgetfsstat:=do_syscall(syscall_nr_getfsstat,TSysParam(buf),TSysParam(Bufsize),TSysParam(Flags));
+end;
 {$ENDIF}
 
 end.
diff --git a/rtl/freebsd/sysnr.inc b/rtl/freebsd/sysnr.inc
index cba80e702b..336890adf4 100644
--- a/rtl/freebsd/sysnr.inc
+++ b/rtl/freebsd/sysnr.inc
@@ -231,6 +231,7 @@ syscall_nr_getdirentries                =196;
 }
 
 {More or less checked/in use FreeBSD syscalls}
+ syscall_nr_getfsstat                   = 18;
  syscall_nr_readv                       = 120;
  syscall_nr_writev                      = 121;
  syscall_nr_pread                       = 173;