diff --git a/honoka/plugins/wnnconversion.cpp b/honoka/plugins/wnnconversion.cpp
index 3b4c13f..299a348 100644
--- a/honoka/plugins/wnnconversion.cpp
+++ b/honoka/plugins/wnnconversion.cpp
@@ -51,6 +51,7 @@
 
 WnnConversion::~WnnConversion()
 {
+    wnnDisconnect();
 }
 
 
@@ -145,6 +146,7 @@
         jl_close(wnn);
         wnn = NULL;
     }
+    jl_dic_save_all();
 }
 
 
diff --git a/honoka/plugins/wnnproto.h b/honoka/plugins/wnnproto.h
index c6efaa7..d5942b9 100644
--- a/honoka/plugins/wnnproto.h
+++ b/honoka/plugins/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);