diff --git a/scim-wnn/src/wnnconversion.cpp b/scim-wnn/src/wnnconversion.cpp
index 6b43fc2..2f8d959 100644
--- a/scim-wnn/src/wnnconversion.cpp
+++ b/scim-wnn/src/wnnconversion.cpp
@@ -140,6 +140,7 @@
         #ifdef HAVE_LIBWNN7
         jl_yosoku_free(wnn);
         #endif
+        jl_dic_save_all();
         jl_close(wnn);
         wnn = NULL;
     }
diff --git a/scim-wnn/src/wnnproto.h b/scim-wnn/src/wnnproto.h
index c6efaa7..d5942b9 100644
--- a/scim-wnn/src/wnnproto.h
+++ b/scim-wnn/src/wnnproto.h
@@ -75,6 +75,7 @@
         extern int jl_yosoku_ikkatsu_toroku_init(struct wnn_buf *);
         extern int jl_yosoku_ikkatsu_toroku_end(struct wnn_buf *);
         extern int jl_yosoku_toroku(struct wnn_buf *,w_char *,short);
+        extern int jl_dic_save_all();
 
     #else
         int wnn_get_area(struct wnn_buf*,int,int,w_char*,int);