diff --git a/src/AST/Class.cs b/src/AST/Class.cs
index f87fec7a..45b535f5 100644
--- a/src/AST/Class.cs
+++ b/src/AST/Class.cs
@@ -28,6 +28,7 @@ namespace CppSharp.AST
         public AccessSpecifier Access { get; set; }
         public bool IsVirtual { get; set; }
         public Type Type { get; set; }
+        public int Offset { get; set; }
 
         public Class Class
         {
diff --git a/src/Core/Parser/ASTConverter.cs b/src/Core/Parser/ASTConverter.cs
index 5e84e342..ab853bce 100644
--- a/src/Core/Parser/ASTConverter.cs
+++ b/src/Core/Parser/ASTConverter.cs
@@ -655,7 +655,8 @@ namespace CppSharp
             {
                 IsVirtual = @base.IsVirtual,
                 Access = VisitAccessSpecifier(@base.Access),
-                Type = typeConverter.Visit(@base.Type)
+                Type = typeConverter.Visit(@base.Type),
+                Offset = @base.Offset
             };
 
             return _base;
diff --git a/src/CppParser/AST.cpp b/src/CppParser/AST.cpp
index b1f91a28..c35959b4 100644
--- a/src/CppParser/AST.cpp
+++ b/src/CppParser/AST.cpp
@@ -531,7 +531,7 @@ Variable::Variable() : Declaration(DeclarationKind::Variable) {}
 
 DEF_STRING(Variable, Mangled)
 
-BaseClassSpecifier::BaseClassSpecifier() : Type(0) {}
+BaseClassSpecifier::BaseClassSpecifier() : Type(0), Offset(0) {}
 
 Field::Field() : Declaration(DeclarationKind::Field), Class(0),
     IsBitField(false), BitWidth(0) {}
diff --git a/src/CppParser/AST.h b/src/CppParser/AST.h
index d52f5cfc..698ffcfd 100644
--- a/src/CppParser/AST.h
+++ b/src/CppParser/AST.h
@@ -664,6 +664,7 @@ struct CS_API BaseClassSpecifier
     AccessSpecifier Access;
     bool IsVirtual;
     CppSharp::CppParser::AST::Type* Type;
+    int Offset;
 };
 
 class Class;
diff --git a/src/CppParser/Bindings/CLI/AST.cpp b/src/CppParser/Bindings/CLI/AST.cpp
index 43669977..bf22274f 100644
--- a/src/CppParser/Bindings/CLI/AST.cpp
+++ b/src/CppParser/Bindings/CLI/AST.cpp
@@ -2202,6 +2202,16 @@ void CppSharp::Parser::AST::BaseClassSpecifier::Type::set(CppSharp::Parser::AST:
     ((::CppSharp::CppParser::AST::BaseClassSpecifier*)NativePtr)->Type = (::CppSharp::CppParser::AST::Type*)value->NativePtr;
 }
 
+int CppSharp::Parser::AST::BaseClassSpecifier::Offset::get()
+{
+    return ((::CppSharp::CppParser::AST::BaseClassSpecifier*)NativePtr)->Offset;
+}
+
+void CppSharp::Parser::AST::BaseClassSpecifier::Offset::set(int value)
+{
+    ((::CppSharp::CppParser::AST::BaseClassSpecifier*)NativePtr)->Offset = value;
+}
+
 CppSharp::Parser::AST::Field::Field(::CppSharp::CppParser::AST::Field* native)
     : CppSharp::Parser::AST::Declaration((::CppSharp::CppParser::AST::Declaration*)native)
 {
diff --git a/src/CppParser/Bindings/CLI/AST.h b/src/CppParser/Bindings/CLI/AST.h
index 602bd529..339f42e6 100644
--- a/src/CppParser/Bindings/CLI/AST.h
+++ b/src/CppParser/Bindings/CLI/AST.h
@@ -1582,6 +1582,12 @@ namespace CppSharp
                     CppSharp::Parser::AST::Type^ get();
                     void set(CppSharp::Parser::AST::Type^);
                 }
+
+                property int Offset
+                {
+                    int get();
+                    void set(int);
+                }
             };
 
             public ref class Field : CppSharp::Parser::AST::Declaration
diff --git a/src/CppParser/Bindings/CSharp/i686-apple-darwin12.4.0/AST.cs b/src/CppParser/Bindings/CSharp/i686-apple-darwin12.4.0/AST.cs
index 6d7188aa..3ff187f8 100644
--- a/src/CppParser/Bindings/CSharp/i686-apple-darwin12.4.0/AST.cs
+++ b/src/CppParser/Bindings/CSharp/i686-apple-darwin12.4.0/AST.cs
@@ -5641,7 +5641,7 @@ namespace CppSharp
 
             public unsafe partial class BaseClassSpecifier : IDisposable
             {
-                [StructLayout(LayoutKind.Explicit, Size = 12)]
+                [StructLayout(LayoutKind.Explicit, Size = 16)]
                 public partial struct Internal
                 {
                     [FieldOffset(0)]
@@ -5653,6 +5653,9 @@ namespace CppSharp
                     [FieldOffset(8)]
                     public global::System.IntPtr Type;
 
+                    [FieldOffset(12)]
+                    public int Offset;
+
                     [SuppressUnmanagedCodeSecurity]
                     [DllImport("CppSharp.CppParser.dll", CallingConvention = global::System.Runtime.InteropServices.CallingConvention.Cdecl,
                         EntryPoint="_ZN8CppSharp9CppParser3AST18BaseClassSpecifierC2Ev")]
@@ -5680,7 +5683,7 @@ namespace CppSharp
 
                 private static BaseClassSpecifier.Internal* __CopyValue(BaseClassSpecifier.Internal native)
                 {
-                    var ret = (BaseClassSpecifier.Internal*) Marshal.AllocHGlobal(12);
+                    var ret = (BaseClassSpecifier.Internal*) Marshal.AllocHGlobal(16);
                     *ret = native;
                     return ret;
                 }
@@ -5698,7 +5701,7 @@ namespace CppSharp
 
                 public BaseClassSpecifier()
                 {
-                    __Instance = Marshal.AllocHGlobal(12);
+                    __Instance = Marshal.AllocHGlobal(16);
                     __ownsNativeInstance = true;
                     Internal.ctor_0(__Instance);
                 }
@@ -5755,6 +5758,19 @@ namespace CppSharp
                         ((Internal*) __Instance)->Type = ReferenceEquals(value, null) ? global::System.IntPtr.Zero : value.__Instance;
                     }
                 }
+
+                public int Offset
+                {
+                    get
+                    {
+                        return ((Internal*) __Instance)->Offset;
+                    }
+
+                    set
+                    {
+                        ((Internal*) __Instance)->Offset = value;
+                    }
+                }
             }
 
             public unsafe partial class Field : CppSharp.Parser.AST.Declaration, IDisposable
diff --git a/src/CppParser/Bindings/CSharp/i686-pc-win32-msvc/AST.cs b/src/CppParser/Bindings/CSharp/i686-pc-win32-msvc/AST.cs
index d520aac4..8e556ad4 100644
--- a/src/CppParser/Bindings/CSharp/i686-pc-win32-msvc/AST.cs
+++ b/src/CppParser/Bindings/CSharp/i686-pc-win32-msvc/AST.cs
@@ -5641,7 +5641,7 @@ namespace CppSharp
 
             public unsafe partial class BaseClassSpecifier : IDisposable
             {
-                [StructLayout(LayoutKind.Explicit, Size = 12)]
+                [StructLayout(LayoutKind.Explicit, Size = 16)]
                 public partial struct Internal
                 {
                     [FieldOffset(0)]
@@ -5653,6 +5653,9 @@ namespace CppSharp
                     [FieldOffset(8)]
                     public global::System.IntPtr Type;
 
+                    [FieldOffset(12)]
+                    public int Offset;
+
                     [SuppressUnmanagedCodeSecurity]
                     [DllImport("CppSharp.CppParser.dll", CallingConvention = global::System.Runtime.InteropServices.CallingConvention.ThisCall,
                         EntryPoint="??0BaseClassSpecifier@AST@CppParser@CppSharp@@QAE@XZ")]
@@ -5680,7 +5683,7 @@ namespace CppSharp
 
                 private static BaseClassSpecifier.Internal* __CopyValue(BaseClassSpecifier.Internal native)
                 {
-                    var ret = (BaseClassSpecifier.Internal*) Marshal.AllocHGlobal(12);
+                    var ret = (BaseClassSpecifier.Internal*) Marshal.AllocHGlobal(16);
                     *ret = native;
                     return ret;
                 }
@@ -5698,7 +5701,7 @@ namespace CppSharp
 
                 public BaseClassSpecifier()
                 {
-                    __Instance = Marshal.AllocHGlobal(12);
+                    __Instance = Marshal.AllocHGlobal(16);
                     __ownsNativeInstance = true;
                     Internal.ctor_0(__Instance);
                 }
@@ -5755,6 +5758,19 @@ namespace CppSharp
                         ((Internal*) __Instance)->Type = ReferenceEquals(value, null) ? global::System.IntPtr.Zero : value.__Instance;
                     }
                 }
+
+                public int Offset
+                {
+                    get
+                    {
+                        return ((Internal*) __Instance)->Offset;
+                    }
+
+                    set
+                    {
+                        ((Internal*) __Instance)->Offset = value;
+                    }
+                }
             }
 
             public unsafe partial class Field : CppSharp.Parser.AST.Declaration, IDisposable
diff --git a/src/CppParser/Bindings/CSharp/x86_64-linux-gnu/AST.cs b/src/CppParser/Bindings/CSharp/x86_64-linux-gnu/AST.cs
index 88854053..dc8365ef 100644
--- a/src/CppParser/Bindings/CSharp/x86_64-linux-gnu/AST.cs
+++ b/src/CppParser/Bindings/CSharp/x86_64-linux-gnu/AST.cs
@@ -5640,7 +5640,7 @@ namespace CppSharp
 
             public unsafe partial class BaseClassSpecifier : IDisposable
             {
-                [StructLayout(LayoutKind.Explicit, Size = 16)]
+                [StructLayout(LayoutKind.Explicit, Size = 24)]
                 public partial struct Internal
                 {
                     [FieldOffset(0)]
@@ -5652,6 +5652,9 @@ namespace CppSharp
                     [FieldOffset(8)]
                     public global::System.IntPtr Type;
 
+                    [FieldOffset(16)]
+                    public int Offset;
+
                     [SuppressUnmanagedCodeSecurity]
                     [DllImport("CppSharp.CppParser.dll", CallingConvention = global::System.Runtime.InteropServices.CallingConvention.Cdecl,
                         EntryPoint="_ZN8CppSharp9CppParser3AST18BaseClassSpecifierC2Ev")]
@@ -5679,7 +5682,7 @@ namespace CppSharp
 
                 private static BaseClassSpecifier.Internal* __CopyValue(BaseClassSpecifier.Internal native)
                 {
-                    var ret = (BaseClassSpecifier.Internal*) Marshal.AllocHGlobal(16);
+                    var ret = (BaseClassSpecifier.Internal*) Marshal.AllocHGlobal(24);
                     *ret = native;
                     return ret;
                 }
@@ -5697,7 +5700,7 @@ namespace CppSharp
 
                 public BaseClassSpecifier()
                 {
-                    __Instance = Marshal.AllocHGlobal(16);
+                    __Instance = Marshal.AllocHGlobal(24);
                     __ownsNativeInstance = true;
                     Internal.ctor_0(__Instance);
                 }
@@ -5754,6 +5757,19 @@ namespace CppSharp
                         ((Internal*) __Instance)->Type = ReferenceEquals(value, null) ? global::System.IntPtr.Zero : value.__Instance;
                     }
                 }
+
+                public int Offset
+                {
+                    get
+                    {
+                        return ((Internal*) __Instance)->Offset;
+                    }
+
+                    set
+                    {
+                        ((Internal*) __Instance)->Offset = value;
+                    }
+                }
             }
 
             public unsafe partial class Field : CppSharp.Parser.AST.Declaration, IDisposable
diff --git a/src/CppParser/Parser.cpp b/src/CppParser/Parser.cpp
index 80e92628..6d28cce3 100644
--- a/src/CppParser/Parser.cpp
+++ b/src/CppParser/Parser.cpp
@@ -794,6 +794,10 @@ void Parser::WalkRecordCXX(clang::CXXRecordDecl* Record, Class* RC)
         auto BSTL = BS.getTypeSourceInfo()->getTypeLoc();
         Base->Type = WalkType(BS.getType(), &BSTL);
 
+        auto BaseDecl = BS.getType()->getAsCXXRecordDecl();
+        auto Offset = Layout->getBaseClassOffset(BaseDecl);
+        Base->Offset = Offset.getQuantity();
+
         RC->Bases.push_back(Base);
     }