diff --git a/rtl/linux/i386/syscall.inc b/rtl/linux/i386/syscall.inc
index c9d96af26d..0a27486c75 100644
--- a/rtl/linux/i386/syscall.inc
+++ b/rtl/linux/i386/syscall.inc
@@ -35,19 +35,22 @@ asm
 .LSyscOK:
 {$ifdef VER1_0}
   movl  %edx,Errno
+  movl  %ecx,%eax
 {$else}
   movl  FPC_THREADVAR_RELOCATE,%eax
   testl %eax,%eax
   jne   .LThread
   movl  %edx,Errno+4
+  movl  %ecx,%eax
   jmp   .LNoThread
 .LThread:
+  pushl %ecx
   pushl Errno
   call  *%eax
   movl  %edx,(%eax)
+  popl  %eax
 .LNoThread:
 {$endif}
-  movl  %ecx,%eax
 end;
 
 function FpSysCall(sysnr,param1 : TSysParam):TSysResult; assembler;[public,alias:'FPC_SYSCALL1'];
@@ -67,19 +70,22 @@ asm
 .LSyscOK:
 {$ifdef VER1_0}
   movl  %edx,Errno
+  movl  %ecx,%eax
 {$else}
   movl  FPC_THREADVAR_RELOCATE,%eax
   testl %eax,%eax
   jne   .LThread
   movl  %edx,Errno+4
+  movl  %ecx,%eax
   jmp   .LNoThread
 .LThread:
+  pushl %ecx
   pushl Errno
   call  *%eax
   movl  %edx,(%eax)
+  popl  %eax
 .LNoThread:
 {$endif}
-  movl  %ecx,%eax
 end;
 
 function FpSysCall(sysnr,param1,param2 : TSysParam):TSysResult; assembler;[public,alias:'FPC_SYSCALL2'];
@@ -100,19 +106,22 @@ asm
 .LSyscOK:
 {$ifdef VER1_0}
   movl  %edx,Errno
+  movl  %ecx,%eax
 {$else}
   movl  FPC_THREADVAR_RELOCATE,%eax
   testl %eax,%eax
   jne   .LThread
   movl  %edx,Errno+4
+  movl  %ecx,%eax
   jmp   .LNoThread
 .LThread:
+  pushl %ecx
   pushl Errno
   call  *%eax
   movl  %edx,(%eax)
+  popl  %eax
 .LNoThread:
 {$endif}
-  movl  %ecx,%eax
 end;
 
 function FpSysCall(sysnr,param1,param2,param3:TSysParam):TSysResult; assembler;[public,alias:'FPC_SYSCALL3'];
@@ -134,19 +143,22 @@ asm
 .LSyscOK:
 {$ifdef VER1_0}
   movl  %edx,Errno
+  movl  %ecx,%eax
 {$else}
   movl  FPC_THREADVAR_RELOCATE,%eax
   testl %eax,%eax
   jne   .LThread
   movl  %edx,Errno+4
+  movl  %ecx,%eax
   jmp   .LNoThread
 .LThread:
+  pushl %ecx
   pushl Errno
   call  *%eax
   movl  %edx,(%eax)
+  popl  %eax
 .LNoThread:
 {$endif}
-  movl  %ecx,%eax
 end;
 
 function FpSysCall(sysnr,param1,param2,param3,param4:TSysParam):TSysResult; assembler;[public,alias:'FPC_SYSCALL4'];
@@ -169,19 +181,22 @@ asm
 .LSyscOK:
 {$ifdef VER1_0}
   movl  %edx,Errno
+  movl  %ecx,%eax
 {$else}
   movl  FPC_THREADVAR_RELOCATE,%eax
   testl %eax,%eax
   jne   .LThread
   movl  %edx,Errno+4
+  movl  %ecx,%eax
   jmp   .LNoThread
 .LThread:
+  pushl %ecx
   pushl Errno
   call  *%eax
   movl  %edx,(%eax)
+  popl  %eax
 .LNoThread:
 {$endif}
-  movl  %ecx,%eax
 end;
 
 function FpSysCall(sysnr,param1,param2,param3,param4,param5 : TSysParam):TSysResult; assembler;[public,alias:'FPC_SYSCALL5'];
@@ -205,19 +220,22 @@ asm
 .LSyscOK:
 {$ifdef VER1_0}
   movl  %edx,Errno
+  movl  %ecx,%eax
 {$else}
   movl  FPC_THREADVAR_RELOCATE,%eax
   testl %eax,%eax
   jne   .LThread
   movl  %edx,Errno+4
+  movl  %ecx,%eax
   jmp   .LNoThread
 .LThread:
+  pushl %ecx
   pushl Errno
   call  *%eax
   movl  %edx,(%eax)
+  popl  %eax
 .LNoThread:
 {$endif}
-  movl  %ecx,%eax
 end;
 
 {$ifdef notsupported}
@@ -243,19 +261,22 @@ asm
 .LSyscOK:
 {$ifdef VER1_0}
   movl  %edx,Errno
+  movl  %ecx,%eax
 {$else}
   movl  FPC_THREADVAR_RELOCATE,%eax
   testl %eax,%eax
   jne   .LThread
   movl  %edx,Errno+4
+  movl  %ecx,%eax
   jmp   .LNoThread
 .LThread:
+  pushl %ecx
   pushl Errno
   call  *%eax
   movl  %edx,(%eax)
+  popl  %eax
 .LNoThread:
 {$endif}
-  movl  %ecx,%eax
 end;
 {$endif notsupported}
 
@@ -348,7 +369,10 @@ end;
 
 {
   $Log$
-  Revision 1.5  2002-12-23 20:56:32  peter
+  Revision 1.6  2002-12-23 21:17:53  peter
+    * MT fix
+
+  Revision 1.5  2002/12/23 20:56:32  peter
     * Reset Errno to 0 if call is successfull
     * Fix broken 1.0.x Errno which does not have threadvar