diff --git a/console/executor_test_reader.cpp b/console/executor_test_reader.cpp
index 7e381823..9b7ce631 100644
--- a/console/executor_test_reader.cpp
+++ b/console/executor_test_reader.cpp
@@ -45,8 +45,8 @@ void executor::read_test(const hash_digest&) const
             return;
         }
 
-        const auto bytes = query_.get_block_size(link, true);
-        if (is_zero(bytes))
+        size_t bytes{};
+        if (!query_.get_block_size(bytes, link, true))
         {
             logger(format("Block (%1%) is not associated.") % height);
             return;
diff --git a/src/protocols/protocol_native.cpp b/src/protocols/protocol_native.cpp
index 29232a66..03b32a5b 100644
--- a/src/protocols/protocol_native.cpp
+++ b/src/protocols/protocol_native.cpp
@@ -291,13 +291,21 @@ bool protocol_native::handle_get_block_header_context(const code& ec,
     // The "state" element implies transactions are associated.
     if (query.is_associated(link))
     {
+        size_t size{}, weight{};
+        if (!query.get_block_sizes(size, weight, link))
+        {
+            send_internal_server_error(database::error::integrity);
+            return true;
+        }
+
         const auto check = system_settings().top_checkpoint().height();
         const auto bypass = context.height < check || query.is_milestone(link);
+
         object["state"] = boost::json::object
         {
+            { "size", size },
+            { "weight", weight },
             { "count", query.get_tx_count(link) },
-            { "size", query.get_block_size(link, true) },
-            { "weight", query.get_block_size(link, false) },
             { "validated", bypass || query.is_validated(link) },
             { "confirmed", check || query.is_confirmed_block(link) },
             { "confirmable", bypass || query.is_confirmable(link) },
@@ -708,8 +716,8 @@ bool protocol_native::handle_get_tx_details(const code& ec,
         const auto bip141 = context.is_enabled(chain::flags::bip141_rule);
         object["confirmed"] = boost::json::object
         {
-            { "height",  context.height },
-            { "position",  position },
+            { "height", context.height },
+            { "position", position },
             { "sigops",  tx->signature_operations(bip16, bip141) }
         };
     }