diff --git a/src/SarcLibrary/Writers/SarcAlignment.cs b/src/SarcLibrary/Writers/SarcAlignment.cs
index 6813254..5dad309 100644
--- a/src/SarcLibrary/Writers/SarcAlignment.cs
+++ b/src/SarcLibrary/Writers/SarcAlignment.cs
@@ -33,8 +33,8 @@ public static int Estimate(KeyValuePair<string, ArraySegment<byte>> sarcEntry, i
             "bgsdw" or "bksky" or "bpref" or
             "glght" or "glpbd" or "glpbm" or
             "gsdw" or "ksky" or "pref" => LCM(result, 8),
-            "baglmf" => LCM(result, 0x80),
-            "sharc" or "sharcb" => LCM(result, 0x1000),
+            "byml" or "baglmf" => LCM(result, 0x80),
+            "bfres" or "sharc" or "sharcb" => LCM(result, 0x1000),
             "bofx" or "fmd" or "ftx" or "genvres" or "gtx" or "ofx" => LCM(result, 0x2000),
             _ => result
         };
@@ -50,7 +50,7 @@ public static int Estimate(KeyValuePair<string, ArraySegment<byte>> sarcEntry, i
             "bchemical" or "bas" or "batcllist" or "batcl" or "baischedule" or "bdmgparam" or
             "brgconfiglist" or "brgconfig" or "brgbw" or "bawareness" or "bdrop" or "bshop" or
             "brecipe" or "blod" or "bbonectrl" or "blifecondition" or "bumii" or "baniminfo" or
-            "byaml" or "bassetting" or "hkrb" or "hkrg" or "bphyssb" or "hkcl" or "hksc" or
+            "byaml" or "byml" or "bassetting" or "hkrb" or "hkrg" or "bphyssb" or "hkcl" or "hksc" or
             "hktmrb" or "brgcon" or "esetlist" or "bdemo" or "bfevfl" or "bfevtm")) {
             result = LCM(result, GetBinaryFileAlignment(sarcEntry.Value));
 
diff --git a/src/Tests/SarcLibrary.Tests/AlignmentTest.cs b/src/Tests/SarcLibrary.Tests/AlignmentTest.cs
new file mode 100644
index 0000000..3714dca
--- /dev/null
+++ b/src/Tests/SarcLibrary.Tests/AlignmentTest.cs
@@ -0,0 +1,21 @@
+using Revrs;
+
+namespace SarcLibrary.Tests;
+
+public class AlignmentTest
+{
+    [Fact]
+    public void TestSMOAirCurrentSarcAlignment()
+    {
+        byte[] data = DataProvider.GetAirCurrent();
+        var sarc = Sarc.FromBinary(data);
+        Assert.NotNull(sarc);
+
+        MemoryStream output = new();
+        sarc.Write(output);
+
+        DataProvider.WriteGeneratedAirCurrent(output);
+
+        Assert.Equal(data, output.ToArray());
+    }
+}
\ No newline at end of file
diff --git a/src/Tests/SarcLibrary.Tests/Data/AirCurrent.sarc b/src/Tests/SarcLibrary.Tests/Data/AirCurrent.sarc
new file mode 100644
index 0000000..998fac9
Binary files /dev/null and b/src/Tests/SarcLibrary.Tests/Data/AirCurrent.sarc differ
diff --git a/src/Tests/SarcLibrary.Tests/DataProvider.cs b/src/Tests/SarcLibrary.Tests/DataProvider.cs
index 350dfa6..6638709 100644
--- a/src/Tests/SarcLibrary.Tests/DataProvider.cs
+++ b/src/Tests/SarcLibrary.Tests/DataProvider.cs
@@ -6,17 +6,29 @@ public static class DataProvider
 {
     public static byte[] GetTest1(Endianness endianness)
     {
-        return File.ReadAllBytes(endianness switch {
+        return File.ReadAllBytes(endianness switch
+        {
             Endianness.Little => "Data/Test1-LE.sarc",
             _ => "Data/Test1-BE.sarc"
         });
     }
-    
+
     public static Stream StreamTest1(Endianness endianness)
     {
-        return File.OpenRead(endianness switch {
+        return File.OpenRead(endianness switch
+        {
             Endianness.Little => "Data/Test1-LE.sarc",
             _ => "Data/Test1-BE.sarc"
         });
     }
+    
+    
+    public static byte[] GetAirCurrent()
+    {
+        return File.ReadAllBytes("Data/AirCurrent.sarc");
+    }
+    public static void WriteGeneratedAirCurrent(MemoryStream stream)
+    {
+        File.WriteAllBytes("Data/AirCurrentOutput.sarc", stream.ToArray());
+    }
 }
\ No newline at end of file
diff --git a/src/Tests/SarcLibrary.Tests/SarcLibrary.Tests.csproj b/src/Tests/SarcLibrary.Tests/SarcLibrary.Tests.csproj
index 8edf89b..cc2399b 100644
--- a/src/Tests/SarcLibrary.Tests/SarcLibrary.Tests.csproj
+++ b/src/Tests/SarcLibrary.Tests/SarcLibrary.Tests.csproj
@@ -29,6 +29,9 @@
     <Content Include="Data\Test1-LE.sarc">
       <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
     </Content>
+    <Content Include="Data\AirCurrent.sarc">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </Content>
   </ItemGroup>
 
   <ItemGroup>