diff --git a/include/ircd/m/dbs.h b/include/ircd/m/dbs.h
index 35e8d7439..bb1b172e8 100644
--- a/include/ircd/m/dbs.h
+++ b/include/ircd/m/dbs.h
@@ -33,17 +33,17 @@ namespace ircd::m::dbs
 	extern db::column state_node;
 
 	// Lowlevel util
-	static const size_t ROOM_STATE_KEY_MAX_SIZE {id::MAX_SIZE + 256 + 256};
+	constexpr size_t ROOM_STATE_KEY_MAX_SIZE {id::MAX_SIZE + 256 + 256};
 	string_view room_state_key(const mutable_buffer &out, const id::room &, const string_view &type, const string_view &state_key);
 	string_view room_state_key(const mutable_buffer &out, const id::room &, const string_view &type);
 	std::pair<string_view, string_view> room_state_key(const string_view &amalgam);
 
-	static const size_t ROOM_JOINED_KEY_MAX_SIZE {id::MAX_SIZE + 256 + id::MAX_SIZE};
+	constexpr size_t ROOM_JOINED_KEY_MAX_SIZE {id::MAX_SIZE + 256 + id::MAX_SIZE};
 	string_view room_joined_key(const mutable_buffer &out, const id::room &, const string_view &origin, const id::user &member);
 	string_view room_joined_key(const mutable_buffer &out, const id::room &, const string_view &origin);
 	std::pair<string_view, string_view> room_joined_key(const string_view &amalgam);
 
-	static const size_t ROOM_EVENTS_KEY_MAX_SIZE {id::MAX_SIZE + 1 + 8 + 8};
+	constexpr size_t ROOM_EVENTS_KEY_MAX_SIZE {id::MAX_SIZE + 1 + 8 + 8};
 	string_view room_events_key(const mutable_buffer &out, const id::room &, const uint64_t &depth, const event::idx &);
 	string_view room_events_key(const mutable_buffer &out, const id::room &, const uint64_t &depth);
 	std::pair<uint64_t, event::idx> room_events_key(const string_view &amalgam);
diff --git a/include/ircd/m/id.h b/include/ircd/m/id.h
index 078d9e694..da11bde01 100644
--- a/include/ircd/m/id.h
+++ b/include/ircd/m/id.h
@@ -60,7 +60,7 @@ struct ircd::m::id
 	struct printer static const printer;
 	struct validator static const validator;
 
-	static constexpr const size_t MAX_SIZE
+	static constexpr const size_t &MAX_SIZE
 	{
 		255
 	};