diff --git a/src/ComponentStorage.cs b/src/ComponentStorage.cs
index 51d5750..3020bb1 100644
--- a/src/ComponentStorage.cs
+++ b/src/ComponentStorage.cs
@@ -118,9 +118,18 @@ namespace MoonTools.ECS
 		public override void Serialize(ComponentStorageState serializedComponentStorage)
 		{
 			ReadOnlySpan<byte> entityIDBytes = MemoryMarshal.Cast<int, byte>(new ReadOnlySpan<int>(entityIDs, 0, nextID));
+
+			if (entityIDBytes.Length > serializedComponentStorage.EntityIDs.Length)
+			{
+				Array.Resize(ref serializedComponentStorage.EntityIDs, entityIDBytes.Length);
+			}
 			entityIDBytes.CopyTo(serializedComponentStorage.EntityIDs);
 
 			ReadOnlySpan<byte> componentBytes = MemoryMarshal.Cast<TComponent, byte>(AllComponents());
+			if (componentBytes.Length > serializedComponentStorage.Components.Length)
+			{
+				Array.Resize(ref serializedComponentStorage.Components, componentBytes.Length);
+			}
 			componentBytes.CopyTo(serializedComponentStorage.Components);
 
 			serializedComponentStorage.EntityIdToStorageIndex.Clear();