diff --git a/src/rpc/blockchain.cpp b/src/rpc/blockchain.cpp
index 7b84747a3f..d51439f466 100644
--- a/src/rpc/blockchain.cpp
+++ b/src/rpc/blockchain.cpp
@@ -2309,7 +2309,7 @@ static RPCHelpMan scanblocks()
             RPCArg{"start_height", RPCArg::Type::NUM, RPCArg::Default{0}, "Height to start to scan from"},
             RPCArg{"stop_height", RPCArg::Type::NUM, RPCArg::DefaultHint{"chain tip"}, "Height to stop to scan"},
             RPCArg{"filtertype", RPCArg::Type::STR, RPCArg::Default{BlockFilterTypeName(BlockFilterType::BASIC)}, "The type name of the filter"},
-            RPCArg{"options", RPCArg::Type::OBJ, RPCArg::Optional::OMITTED, "",
+            RPCArg{"options", RPCArg::Type::OBJ_NAMED_PARAMS, RPCArg::Optional::OMITTED, "",
                 {
                     {"filter_false_positives", RPCArg::Type::BOOL, RPCArg::Default{false}, "Filter false positives (slower and may fail on pruned nodes). Otherwise they may occur at a rate of 1/M"},
                 },
diff --git a/src/rpc/client.cpp b/src/rpc/client.cpp
index 49820f25a3..b0771a75fc 100644
--- a/src/rpc/client.cpp
+++ b/src/rpc/client.cpp
@@ -91,6 +91,7 @@ static const CRPCConvertParam vRPCConvertParams[] =
     { "scanblocks", 2, "start_height" },
     { "scanblocks", 3, "stop_height" },
     { "scanblocks", 5, "options" },
+    { "scanblocks", 5, "filter_false_positives" },
     { "scantxoutset", 1, "scanobjects" },
     { "addmultisigaddress", 0, "nrequired" },
     { "addmultisigaddress", 1, "keys" },