diff -urp src.old/winsup/cygwin/dcrt0.cc src/winsup/cygwin/dcrt0.cc
--- src.old/winsup/cygwin/dcrt0.cc	Sun Jun 30 04:18:37 2002
+++ src/winsup/cygwin/dcrt0.cc	Tue Aug 13 16:45:37 2002
@@ -456,7 +456,8 @@ check_sanity_and_sync (per_process *p)
 child_info NO_COPY *child_proc_info = NULL;
 static MEMORY_BASIC_INFORMATION NO_COPY sm;
 
-#define CYGWIN_GUARD ((wincap.has_page_guard ()) ? PAGE_GUARD : PAGE_NOACCESS)
+#define CYGWIN_GUARD ((wincap.has_page_guard ()) ? \
+                     PAGE_EXECUTE_READWRITE|PAGE_GUARD : PAGE_NOACCESS)
 
 // __inline__ void
 extern void
@@ -497,7 +498,7 @@ alloc_stack_hard_way (child_info_fork *c
     {
       m.BaseAddress = (LPVOID)((DWORD)m.BaseAddress - 1);
       if (!VirtualAlloc ((LPVOID) m.BaseAddress, 1, MEM_COMMIT,
-			 PAGE_EXECUTE_READWRITE|CYGWIN_GUARD))
+			 CYGWIN_GUARD))
 	api_fatal ("fork: couldn't allocate new stack guard page %p, %E",
 		   m.BaseAddress);
     }