diff --git a/src/rpc/rawtransaction.cpp b/src/rpc/rawtransaction.cpp
index e9eae656b51..e5a4e0ff5ad 100644
--- a/src/rpc/rawtransaction.cpp
+++ b/src/rpc/rawtransaction.cpp
@@ -699,7 +699,7 @@ static RPCMethod signrawtransactionwithkey()
                     {"hexstring", RPCArg::Type::STR, RPCArg::Optional::NO, "The transaction hex string"},
                     {"privkeys", RPCArg::Type::ARR, RPCArg::Optional::NO, "The base58-encoded private keys for signing",
                         {
-                            {"privatekey", RPCArg::Type::STR_HEX, RPCArg::Optional::OMITTED, "private key in base58-encoding"},
+                            {"privatekey", RPCArg::Type::STR, RPCArg::Optional::OMITTED, "private key in base58-encoding"},
                         },
                         },
                     {"prevtxs", RPCArg::Type::ARR, RPCArg::Optional::OMITTED, "The previous dependent transaction outputs",