diff --git a/ArcFormats/BitStream.cs b/ArcFormats/BitStream.cs
index 89ea0d3a..a65cde94 100644
--- a/ArcFormats/BitStream.cs
+++ b/ArcFormats/BitStream.cs
@@ -45,6 +45,11 @@ namespace GameRes.Formats
         int m_bits = 0;
         int m_cached_bits = 0;
 
+        public void Reset ()
+        {
+            m_cached_bits = 0;
+        }
+
         public int GetNextBit ()
         {
             return GetBits (1);