diff --git a/src/world/World.php b/src/world/World.php
index 7264b90e2a..96203e0504 100644
--- a/src/world/World.php
+++ b/src/world/World.php
@@ -2606,6 +2606,16 @@ class World implements ChunkManager{
 	}
 
 	public function setChunk(int $chunkX, int $chunkZ, Chunk $chunk) : void{
+		foreach($chunk->getSubChunks() as $subChunk){
+			foreach($subChunk->getBlockLayers() as $blockLayer){
+				foreach($blockLayer->getPalette() as $blockStateId){
+					if(!$this->blockStateRegistry->hasStateId($blockStateId)){
+						throw new \InvalidArgumentException("Provided chunk contains unknown/unregistered blocks (found unknown state ID $blockStateId)");
+					}
+				}
+			}
+		}
+
 		$chunkHash = World::chunkHash($chunkX, $chunkZ);
 		$oldChunk = $this->loadChunk($chunkX, $chunkZ);
 		if($oldChunk !== null && $oldChunk !== $chunk){