diff --git a/RecrownedAthenaeum.Tools/TextureAtlasTools/TexturePacker.cs b/RecrownedAthenaeum.Tools/TextureAtlasTools/TexturePacker.cs
index 53c0d93..e4c70a3 100644
--- a/RecrownedAthenaeum.Tools/TextureAtlasTools/TexturePacker.cs
+++ b/RecrownedAthenaeum.Tools/TextureAtlasTools/TexturePacker.cs
@@ -104,7 +104,7 @@ namespace RecrownedAthenaeum.Tools.TextureAtlas
                     imageHandlerQueue.Clear();
                     Build(AutoCorrectAtlasSize);
                 }
-                if (ninePatchDictionary.ContainsKey(imageHandler.Name))
+                if (ninePatchDictionary != null && ninePatchDictionary.ContainsKey(imageHandler.Name))
                 {
                     imageHandler.ninePatchData = ninePatchDictionary[imageHandler.Name];
                 }