diff --git a/src/init.luau b/src/init.luau
index c74c71e..ef8c6b5 100644
--- a/src/init.luau
+++ b/src/init.luau
@@ -938,7 +938,7 @@ local function world_cleanup(world)
 		end
 	end
 
-	local new_archetypes = {}
+	local new_archetypes = table.create(#archetypes)
 	local new_archetype_map = {}
 
 	for index, archetype in archetypes do
diff --git a/wally.toml b/wally.toml
index 8a2a999..d2af632 100644
--- a/wally.toml
+++ b/wally.toml
@@ -1,6 +1,6 @@
 [package]
 name = "ukendio/jecs"
-version = "0.3.0-rc.5"
+version = "0.3.0-rc.6"
 registry = "https://github.com/UpliftGames/wally-index"
 realm = "shared"
 include = [