diff --git a/src/xenia/base/byte_stream.h b/src/xenia/base/byte_stream.h
index 61c36105a..479be9760 100644
--- a/src/xenia/base/byte_stream.h
+++ b/src/xenia/base/byte_stream.h
@@ -32,6 +32,7 @@ class ByteStream {
   }
 
   const uint8_t* data() const { return data_; }
+  uint8_t* data() { return data_; }
   size_t data_length() const { return data_length_; }
 
   size_t offset() const { return offset_; }