diff --git a/rtl/bsd/ossysc.inc b/rtl/bsd/ossysc.inc
index 1ecd145327..d49733422e 100644
--- a/rtl/bsd/ossysc.inc
+++ b/rtl/bsd/ossysc.inc
@@ -552,6 +552,6 @@ end;
 
 function FpSetRLimit(Resource:cint;rlim:PRLimit):cint; [public, alias : 'FPC_SYSC_SETRLIMIT'];
 begin
-  fpsetrlimit:=do_syscall(syscall_nr_getrlimit,TSysParam(Resource),TSysParam(rlim));
+  fpsetrlimit:=do_syscall(syscall_nr_setrlimit,TSysParam(Resource),TSysParam(rlim));
 end;
 
diff --git a/rtl/linux/ossysc.inc b/rtl/linux/ossysc.inc
index 09e324fc95..b632574291 100644
--- a/rtl/linux/ossysc.inc
+++ b/rtl/linux/ossysc.inc
@@ -568,13 +568,18 @@ begin
  fpgettimeofday:=do_syscall(syscall_nr_gettimeofday,TSysParam(tp),TSysParam(tzp));
 end;
 
-{$ifndef NO_SYSCALL_GETRLIMIT}
+
 function FpGetRLimit(resource : cInt; rlim : PRLimit) : cInt;
 begin
+{$ifndef NO_SYSCALL_GETRLIMIT}
   FpGetRLimit := do_syscall(syscall_nr_getrlimit,
     TSysParam(resource), TSysParam(rlim));
-end;
+{$else}
+  FpGetRLimit := do_syscall(syscall_nr_ugetrlimit,
+    TSysParam(resource), TSysParam(rlim));
 {$endif}
+end;
+
 
 {$ifdef HAS_UGETRLIMIT}
 function fpugetrlimit(resource : cInt; rlim : PRLimit) : cInt;
@@ -592,3 +597,8 @@ begin
 end;
 {$endif}
 
+function FpSetRLimit(Resource:cint;rlim:PRLimit):cint; [public, alias : 'FPC_SYSC_SETRLIMIT'];
+begin
+  fpsetrlimit:=do_syscall(syscall_nr_setrlimit,TSysParam(Resource),TSysParam(rlim));
+end;
+
diff --git a/rtl/unix/bunxh.inc b/rtl/unix/bunxh.inc
index 485fe54a3c..df2cc6dd72 100644
--- a/rtl/unix/bunxh.inc
+++ b/rtl/unix/bunxh.inc
@@ -106,3 +106,6 @@ Type TGrpArr = Array [0..0] of TGid;            { C style array workarounds}
     Function  FpGetEnv     (name : pChar): pChar;
     function  fpsettimeofday(tp:ptimeval;tzp:ptimezone):cint;
 
+    function FpGetRLimit(resource:cint;rlim:PRLimit):cint; external name 'FPC_SYSC_GETRLIMIT';
+    function FpSetRLimit(Resource:cint;rlim:PRLimit):cint; external name 'FPC_SYSC_SETRLIMIT';
+