diff --git a/src/wallet/wallet_rpc_server.cpp b/src/wallet/wallet_rpc_server.cpp
index b5644ce99..3a216f68a 100644
--- a/src/wallet/wallet_rpc_server.cpp
+++ b/src/wallet/wallet_rpc_server.cpp
@@ -3522,7 +3522,7 @@ namespace tools
       er.message = "Failed to encode seed";
       return false;
     }
-    res.seed = electrum_words.data();
+    res.seed = std::string(electrum_words.data(), electrum_words.size());
 
     if (!wal)
     {