diff --git a/SabreTools.Serialization/Wrappers/PortableExecutable.cs b/SabreTools.Serialization/Wrappers/PortableExecutable.cs
index 3c948f45..accac077 100644
--- a/SabreTools.Serialization/Wrappers/PortableExecutable.cs
+++ b/SabreTools.Serialization/Wrappers/PortableExecutable.cs
@@ -1162,7 +1162,7 @@ namespace SabreTools.Serialization.Wrappers
             try
             {
                 var decompressor = IO.Compression.SZDD.Decompressor.CreateSZDD(resource);
-                var dataStream = new MemoryStream();
+                using var dataStream = new MemoryStream();
                 decompressor.CopyTo(dataStream);
                 return dataStream.ToArray();
             }