--- msdos/dpmi.c.orig	Thu Feb 25 14:32:56 1999
+++ msdos/dpmi.c	Tue Nov  9 02:42:00 1999
@@ -20,6 +20,7 @@
 #include "process.h"
 #include "callback.h"
 #include "debug.h"
+#include "stackframe.h"
 
 #define DOS_GET_DRIVE(reg) ((reg) ? (reg) - 1 : DRIVE_GetCurrentDrive())
 
@@ -212,6 +213,7 @@
         if (flag & 1) {
             /* 32-bit DPMI client */
             __asm__ __volatile__("
+                 pushl %%si
                  pushl %%es
                  pushl %%ds
                  pushfl
@@ -221,12 +223,13 @@
                  popl %%ds
                  movl %%es,%0
                  popl %%es
+                 popl %%si
              "
              : "=g" (es), "=D" (edi)
              : "m" (rmcb->proc_ofs),
                "g" (ss), "g" (rmcb->regs_sel),
                "S" (ESP_reg(context)), "D" (rmcb->regs_ofs)
-             : "eax", "ecx", "edx", "esi", "ebp" );
+             : "eax", "ecx", "edx", "ebp" );
         } else {
             /* 16-bit DPMI client */
             CONTEXT ctx = *context;