diff --git a/include/proto/fd.h b/include/proto/fd.h
index 44370e7..d6b591d 100644
--- a/include/proto/fd.h
+++ b/include/proto/fd.h
@@ -99,10 +99,10 @@
  */
 static inline void updt_fd_polling(const int fd)
 {
-	if (fdtab[fd].updated)
+	if (fdtab[fd].update_mask & tid_bit)
 		/* already scheduled for update */
 		return;
-	fdtab[fd].updated = 1;
+	fdtab[fd].update_mask |= tid_bit;
 	fd_updt[fd_nbupdt++] = fd;
 }
 
@@ -400,7 +400,7 @@
 	HA_SPIN_LOCK(FD_LOCK, &fdtab[fd].lock);
 	fdtab[fd].ev = 0;
 	fdtab[fd].new = 1;
-	fdtab[fd].updated = 0;
+	fdtab[fd].update_mask &= ~tid_bit;
 	fdtab[fd].linger_risk = 0;
 	fdtab[fd].cloned = 0;
 	fdtab[fd].cache = 0;