diff --git a/leim/quail/latin-pre.el b/leim/quail/latin-pre.el
index 050118a875e..b88cbb3a02c 100644
--- a/leim/quail/latin-pre.el
+++ b/leim/quail/latin-pre.el
@@ -124,7 +124,7 @@
  ("/e" ?,Af(B)
  ("/o" ?,Ax(B)
  ("//" ?,A0(B)
- ("/ " ? )
+ ("/ " ?/)
 )
 
 (quail-define-package