diff --git a/src/main/java/fr/xephi/authme/message/MessageKey.java b/src/main/java/fr/xephi/authme/message/MessageKey.java
index e63b06b3..9a823826 100644
--- a/src/main/java/fr/xephi/authme/message/MessageKey.java
+++ b/src/main/java/fr/xephi/authme/message/MessageKey.java
@@ -4,7 +4,8 @@ package fr.xephi.authme.message;
  * Keys for translatable messages managed by {@link Messages}.
  */
 public enum MessageKey {
-
+    /** Successfully verified! */
+    GUI_CAPTCHA_SUCCESS("3rdpartyfeature.gui_captcha.success"),
     /** In order to use this command you must be authenticated! */
     DENIED_COMMAND("error.denied_command"),
 
diff --git a/src/main/java/fr/xephi/authme/message/updater/OldMessageKeysMigrater.java b/src/main/java/fr/xephi/authme/message/updater/OldMessageKeysMigrater.java
index 739a449d..58f9786e 100644
--- a/src/main/java/fr/xephi/authme/message/updater/OldMessageKeysMigrater.java
+++ b/src/main/java/fr/xephi/authme/message/updater/OldMessageKeysMigrater.java
@@ -18,6 +18,7 @@ final class OldMessageKeysMigrater {
 
     @VisibleForTesting
     static final Map<MessageKey, String> KEYS_TO_OLD_PATH = ImmutableMap.<MessageKey, String>builder()
+        .put(MessageKey.GUI_CAPTCHA_SUCCESS, "gui_captcha_verified")
         .put(MessageKey.LOGIN_SUCCESS, "login")
         .put(MessageKey.ERROR, "error")
         .put(MessageKey.DENIED_COMMAND, "denied_command")