diff --git a/src/rpc/handlers/NFTHistory.cpp b/src/rpc/handlers/NFTHistory.cpp
index 84af70ca..4c2faaa6 100644
--- a/src/rpc/handlers/NFTHistory.cpp
+++ b/src/rpc/handlers/NFTHistory.cpp
@@ -47,7 +47,7 @@ NFTHistoryHandler::process(NFTHistoryHandler::Input input, Context const& ctx) c
     }
 
     if (minIndex > maxIndex)
-        return Error{Status{RippledError::rpcINVALID_PARAMS, "invalidIndex"}};
+        return Error{Status{RippledError::rpcLGR_IDXS_INVALID}};
 
     if (input.ledgerHash || input.ledgerIndex)
     {
diff --git a/unittests/rpc/handlers/NFTHistoryTest.cpp b/unittests/rpc/handlers/NFTHistoryTest.cpp
index 84f17d78..57afc4cb 100644
--- a/unittests/rpc/handlers/NFTHistoryTest.cpp
+++ b/unittests/rpc/handlers/NFTHistoryTest.cpp
@@ -181,8 +181,8 @@ generateTestValuesForParametersTest()
                 "ledger_index_max": 11,
                 "ledger_index_min": 20
             })",
-            "invalidParams",
-            "invalidIndex"},
+            "lgrIdxsInvalid",
+            "Ledger indexes invalid."},
         NFTHistoryParamTestCaseBundle{
             "LedgerIndexMaxMinAndLedgerIndex",
             R"({