diff --git a/src/nostalgia/tools/pack/pack.cpp b/src/nostalgia/tools/pack/pack.cpp
index 38740970..bcfd4536 100644
--- a/src/nostalgia/tools/pack/pack.cpp
+++ b/src/nostalgia/tools/pack/pack.cpp
@@ -5,6 +5,9 @@
 #include <ox/claw/read.hpp>
 #include <ox/fs/fs.hpp>
 
+#include <nostalgia/core/gfx.hpp>
+#include <nostalgia/core/typeconv.hpp>
+
 #include "pack.hpp"
 
 namespace nostalgia {
@@ -32,6 +35,9 @@ static ox::Error doTransformations(ox::FileSystem *dest, const ox::String &fileP
 	if (filePath.endsWith(".ng") || filePath.endsWith(".npal")) {
 		// load file
 		oxRequireM(buff, dest->read(filePath.c_str()));
+		if (filePath.endsWith(".ng")) {
+			oxReturnError(core::convert<core::CompactTileSheet>(&buff));
+		}
 		// do transformations
 		oxReturnError(pathToInode(buff).moveTo(&buff));
 		oxReturnError(toMetalClaw(buff).moveTo(&buff));