diff --git a/LibGGPK/Records/DirectoryRecord.cs b/LibGGPK/Records/DirectoryRecord.cs
index 45a887d..e30f64f 100644
--- a/LibGGPK/Records/DirectoryRecord.cs
+++ b/LibGGPK/Records/DirectoryRecord.cs
@@ -113,13 +113,13 @@ public override void Write(BinaryWriter bw, Dictionary<long, long> changedOffset
         /// <param name="ggpkPath">Path of pack file that contains this record</param>
         /// <param name="nameHash">Previous name hash of entry</param>
         /// <param name="newEntryOffset">New offset of entry</param>
-        public void UpdateOffset(string ggpkPath, uint nameHash, long newEntryOffset)
+        public void UpdateOffset(FileStream ggpkFileStream, uint nameHash, long newEntryOffset)
         {
             var entry = Entries.FirstOrDefault(e => e.EntryNameHash == nameHash);
             if (entry.Offset == 0 )
                 throw new ApplicationException("Entry not found!");
 
-            using (var ggpkFileStream = File.Open(ggpkPath, FileMode.Open))
+            //using (var ggpkFileStream = File.Open(ggpkPath, FileMode.Open))
             {
                 // Jump to the location of 'Entries' in the ggpk file and 
                 // change the entry for 'previousEntryOffset' to 'newEntryOffset'
diff --git a/LibGGPK/Records/FileRecord.cs b/LibGGPK/Records/FileRecord.cs
index 74dd67f..e422a8f 100644
--- a/LibGGPK/Records/FileRecord.cs
+++ b/LibGGPK/Records/FileRecord.cs
@@ -320,7 +320,8 @@ public void ReplaceContents(string ggpkPath, byte[] replacmentData, LinkedList<F
                 Length = (uint)(Length - DataLength + replacmentData.Length);
                 if (ggpc != null)
                     ggpc.RecordOffsets[RecordBegin] = this;
-                ContainingDirectory.Record.UpdateOffset(ggpkPath, GetNameHash(), RecordBegin);
+                ContainingDirectory.Record.UpdateOffset(ggpkFileStream, GetNameHash(), RecordBegin);
+                ggpkFileStream.Seek(0, SeekOrigin.End);
             } else
             {
                 ggpkFileStream.Seek(RecordBegin, SeekOrigin.Begin);