diff --git a/src/xrpld/rpc/detail/RPCCall.cpp b/src/xrpld/rpc/detail/RPCCall.cpp
index 6b7cbbf86b..32204ac9d6 100644
--- a/src/xrpld/rpc/detail/RPCCall.cpp
+++ b/src/xrpld/rpc/detail/RPCCall.cpp
@@ -307,7 +307,7 @@ private:
                 return rpcError(rpcINVALID_LGR_RANGE);
             }
 
-            if (auto const ledgerMaxOpt = jvParseInt(jvParams[2u]))
+            if (auto const ledgerMaxOpt = jvParseInt(jvParams[2u]); ledgerMaxOpt.has_value())
             {
                 ledgerMax = *ledgerMaxOpt;
             }