diff --git a/src/main/resources/fess_indices/fess/ja/mapping.txt b/src/main/resources/fess_indices/fess/ja/mapping.txt
index 5c0ed26f4..c3e2902eb 100644
--- a/src/main/resources/fess_indices/fess/ja/mapping.txt
+++ b/src/main/resources/fess_indices/fess/ja/mapping.txt
@@ -15,7 +15,7 @@
 #   limitations under the License.
 
 　 => \u0020
-~ => 
+~,˜,῀,⁓,∼,∿,～ => 〜
 
 Ａ => A
 Ｂ => B