diff --git a/PCK-Studio/MainForm.cs b/PCK-Studio/MainForm.cs
index 7fd6aea1..347ba6db 100644
--- a/PCK-Studio/MainForm.cs
+++ b/PCK-Studio/MainForm.cs
@@ -831,6 +831,7 @@ namespace PckStudio
                 PCKAudioFileWriter.Write(stream, audioPck, isLittle);
                 pckFileData.SetData(stream.ToArray());
             }
+			BuildMainTreeView();
             return pckFileData;
         }