diff --git a/backend/src/app/rpc/commands/auth.clj b/backend/src/app/rpc/commands/auth.clj
index dec65f571..e1244dc33 100644
--- a/backend/src/app/rpc/commands/auth.clj
+++ b/backend/src/app/rpc/commands/auth.clj
@@ -313,6 +313,7 @@
             (throw e)
             (ex/raise :type :validation
                       :code :email-already-exists
+                      :hint "email already exists"
                       :cause e)))))))
 
 (defn create-profile-relations