diff --git a/src/privet/constants.cc b/src/privet/constants.cc
index 3cc3e4a..e1962bd 100644
--- a/src/privet/constants.cc
+++ b/src/privet/constants.cc
@@ -30,6 +30,7 @@
 const char kInvalidPassphrase[] = "invalidPassphrase";
 const char kNotFound[] = "notFound";
 const char kNotImplemented[] = "notImplemented";
+const char kAlreadyClaimed[] = "alreadyClaimed";
 
 }  // namespace errors
 }  // namespace privet