diff --git a/gdb/windows-nat.c b/gdb/windows-nat.c
index 70f955d9797..5578ae250a6 100644
--- a/gdb/windows-nat.c
+++ b/gdb/windows-nat.c
@@ -1900,7 +1900,6 @@ windows_nat_target::do_initial_windows_stuff (DWORD pid, bool attaching)
   windows_process.cygwin_load_start = 0;
   windows_process.cygwin_load_end = 0;
 #endif
-  windows_process.current_event.dwProcessId = pid;
   memset (&windows_process.current_event, 0,
 	  sizeof (windows_process.current_event));
   inf = current_inferior ();