diff --git a/src/wallet/wallet_rpc_server.cpp b/src/wallet/wallet_rpc_server.cpp
index 6dbea2e14..5e6100dfd 100644
--- a/src/wallet/wallet_rpc_server.cpp
+++ b/src/wallet/wallet_rpc_server.cpp
@@ -1744,6 +1744,7 @@ namespace tools
         epee::wipeable_string seed;
         if (!m_wallet->get_seed(seed))
         {
+            er.code = WALLET_RPC_ERROR_CODE_NON_DETERMINISTIC;
             er.message = "The wallet is non-deterministic. Cannot display seed.";
             return false;
         }
diff --git a/src/wallet/wallet_rpc_server_error_codes.h b/src/wallet/wallet_rpc_server_error_codes.h
index f127ae240..9b3a2847d 100644
--- a/src/wallet/wallet_rpc_server_error_codes.h
+++ b/src/wallet/wallet_rpc_server_error_codes.h
@@ -73,3 +73,4 @@
 #define WALLET_RPC_ERROR_CODE_BAD_SIGNED_TX_DATA     -40
 #define WALLET_RPC_ERROR_CODE_SIGNED_SUBMISSION      -41
 #define WALLET_RPC_ERROR_CODE_SIGN_UNSIGNED          -42
+#define WALLET_RPC_ERROR_CODE_NON_DETERMINISTIC      -43