diff --git a/Galanthus/SdfToc.cs b/Galanthus/SdfToc.cs
index d508679..bf439c0 100644
--- a/Galanthus/SdfToc.cs
+++ b/Galanthus/SdfToc.cs
@@ -368,13 +368,13 @@ public bool TryGetDataFile(DataSlice inSlice, [NotNullWhen(true)] out string? pa
         int outBufferSize = 0;
 
         // get final file size
-        foreach (DataSlice dataSlice in inAsset.DataSlices)
+        if (inAsset.DdsIndex != -1)
         {
-            if (inAsset.DdsIndex != -1)
-            {
-                outBufferSize += m_ddsHeaders[inAsset.DdsIndex].Size;
-            }
+            outBufferSize += m_ddsHeaders[inAsset.DdsIndex].Size;
+        }
 
+        foreach (DataSlice dataSlice in inAsset.DataSlices)
+        {
             if (!TryGetDataFile(dataSlice, out string? _))
             {
                 continue;
@@ -385,7 +385,6 @@ public bool TryGetDataFile(DataSlice inSlice, [NotNullWhen(true)] out string? pa
         }
         Block<byte> outBuffer = new(outBufferSize);
 
-
         // add dds header
         if (inAsset.DdsIndex != -1)
         {