diff --git a/apps/routerconsole/java/src/net/i2p/router/web/ConfigUIHelper.java b/apps/routerconsole/java/src/net/i2p/router/web/ConfigUIHelper.java
index 554f438331..f1284d419c 100644
--- a/apps/routerconsole/java/src/net/i2p/router/web/ConfigUIHelper.java
+++ b/apps/routerconsole/java/src/net/i2p/router/web/ConfigUIHelper.java
@@ -86,6 +86,7 @@ public class ConfigUIHelper extends HelperBase {
         { "fr", "fr", _x("French"), null },
         { "hu", "hu", _x("Hungarian"), null },
         { "it", "it", _x("Italian"), null },
+        { "ja", "jp", _x("Japanese"), null },
         { "nb", "nl", _x("Dutch"), null },
         { "nl", "no", _x("Norwewgian Bokmaal"), null },
         { "pl", "pl", _x("Polish"), null },