diff --git a/src/main/kotlin/ru/dbotthepony/mc/otm/network/FieldSynchronizer.kt b/src/main/kotlin/ru/dbotthepony/mc/otm/network/FieldSynchronizer.kt
index dabb8f518..621e53870 100644
--- a/src/main/kotlin/ru/dbotthepony/mc/otm/network/FieldSynchronizer.kt
+++ b/src/main/kotlin/ru/dbotthepony/mc/otm/network/FieldSynchronizer.kt
@@ -372,7 +372,7 @@ class FieldSynchronizer(private val callback: Runnable, private val alwaysCallCa
 			}
 		}
 
-		private val dirtyFields = ReferenceArraySet<IField<*>>(0)
+		private val dirtyFields = ReferenceArraySet<IField<*>>(fields.size)
 
 		// use LinkedList because it is ensured memory is freed on LinkedList#clear
 		private val mapBacklogs = Reference2ObjectOpenHashMap<Map<*, *>, LinkedList<Pair<Any?, (DataOutputStream) -> Unit>>>()
@@ -397,6 +397,10 @@ class FieldSynchronizer(private val callback: Runnable, private val alwaysCallCa
 		}
 
 		init {
+			markDirty()
+		}
+
+		fun markDirty() {
 			for (field in fields) {
 				field.markDirty(this)
 			}