diff --git a/AssetStudio/Math/Color.cs b/AssetStudio/Math/Color.cs
index 1c247aa..e733c46 100644
--- a/AssetStudio/Math/Color.cs
+++ b/AssetStudio/Math/Color.cs
@@ -3,7 +3,7 @@ using System.Runtime.InteropServices;
 
 namespace AssetStudio
 {
-    [StructLayout(LayoutKind.Sequential, Size = 4)]
+    [StructLayout(LayoutKind.Sequential, Pack = 4)]
     public struct Color : IEquatable<Color>
     {
         public float R;
diff --git a/AssetStudio/Math/Quaternion.cs b/AssetStudio/Math/Quaternion.cs
index 5633ed6..063d1f2 100644
--- a/AssetStudio/Math/Quaternion.cs
+++ b/AssetStudio/Math/Quaternion.cs
@@ -3,7 +3,7 @@ using System.Runtime.InteropServices;
 
 namespace AssetStudio
 {
-    [StructLayout(LayoutKind.Sequential)]
+    [StructLayout(LayoutKind.Sequential, Pack = 4)]
     public struct Quaternion : IEquatable<Quaternion>
     {
         public float X;