diff --git a/tsvm_core/src/net/torvald/tsvm/TextureRegionPack.kt b/tsvm_core/src/net/torvald/tsvm/TsvmTextureRegionPack.kt
similarity index 99%
rename from tsvm_core/src/net/torvald/tsvm/TextureRegionPack.kt
rename to tsvm_core/src/net/torvald/tsvm/TsvmTextureRegionPack.kt
index e4a456a..faf0962 100755
--- a/tsvm_core/src/net/torvald/tsvm/TextureRegionPack.kt
+++ b/tsvm_core/src/net/torvald/tsvm/TsvmTextureRegionPack.kt
@@ -32,7 +32,7 @@ import com.badlogic.gdx.utils.Disposable
 /**
  * Created by minjaesong on 2017-06-15.
  */
-class TextureRegionPack(
+internal class TsvmTextureRegionPack(
         val texture: Texture,
         val tileW: Int,
         val tileH: Int,
diff --git a/tsvm_core/src/net/torvald/tsvm/peripheral/CharacterLCDdisplay.kt b/tsvm_core/src/net/torvald/tsvm/peripheral/CharacterLCDdisplay.kt
index 39cb421..12742cc 100644
--- a/tsvm_core/src/net/torvald/tsvm/peripheral/CharacterLCDdisplay.kt
+++ b/tsvm_core/src/net/torvald/tsvm/peripheral/CharacterLCDdisplay.kt
@@ -4,7 +4,7 @@ import com.badlogic.gdx.graphics.Color
 import com.badlogic.gdx.graphics.Texture
 import com.badlogic.gdx.graphics.g2d.SpriteBatch
 import net.torvald.terrarum.modulecomputers.virtualcomputer.tvd.toUlong
-import net.torvald.tsvm.TextureRegionPack
+import net.torvald.tsvm.TsvmTextureRegionPack
 import net.torvald.tsvm.VM
 
 class CharacterLCDdisplay(assetsRoot: String, vm: VM) : GraphicsAdapter(vm, AdapterConfig(
@@ -13,7 +13,7 @@ class CharacterLCDdisplay(assetsRoot: String, vm: VM) : GraphicsAdapter(vm, Adap
 ) {
 
     private val machine = Texture("$assetsRoot/4008_portable_full.png")
-    private val lcdFont = TextureRegionPack(Texture("$assetsRoot/lcd.png"), 12, 16)
+    private val lcdFont = TsvmTextureRegionPack(Texture("$assetsRoot/lcd.png"), 12, 16)
 
     /*override fun peek(addr: Long): Byte? {
         return when (addr) {