diff --git a/src/Generating/Prefab.h b/src/Generating/Prefab.h
index ec95c909b..c80de21b2 100644
--- a/src/Generating/Prefab.h
+++ b/src/Generating/Prefab.h
@@ -16,7 +16,7 @@ declared in this file as well; the Gallery server exports areas in this format.
 
 #include "PieceGenerator.h"
 #include "../BlockArea.h"
-
+#include "ChunkDesc.h"