diff --git a/src/Generator/Generators/CSharp/CSharpSources.cs b/src/Generator/Generators/CSharp/CSharpSources.cs
index aa32e2bc..84d342ec 100644
--- a/src/Generator/Generators/CSharp/CSharpSources.cs
+++ b/src/Generator/Generators/CSharp/CSharpSources.cs
@@ -802,10 +802,14 @@ namespace CppSharp.Generators.CSharp
                 return;
 
             var arrayType = field.QualifiedType.Type.Desugar() as ArrayType;
-            // we do not support long double yet because its representation in C# is problematic
-            if ((arrayType != null && arrayType.SizeType == ArrayType.ArraySize.Constant &&
-                arrayType.Type.IsPrimitiveType(PrimitiveType.LongDouble)) ||
-                field.QualifiedType.Type.IsPrimitiveType(PrimitiveType.LongDouble))
+            var coreType = field.QualifiedType.Type.Desugar();
+            if (arrayType != null && arrayType.SizeType == ArrayType.ArraySize.Constant)
+                coreType = arrayType.Type.Desugar();
+            // we do not support the primitives below yet because their representation in C# is problematic
+            if (coreType.IsPrimitiveType(PrimitiveType.LongDouble) ||
+                coreType.IsPrimitiveType(PrimitiveType.Int128) ||
+                coreType.IsPrimitiveType(PrimitiveType.UInt128) ||
+                coreType.IsPrimitiveType(PrimitiveType.Half))
                 return;
 
             var safeIdentifier = Helpers.SafeIdentifier(field.Name);
diff --git a/src/Generator/Generators/CSharp/CSharpTypePrinter.cs b/src/Generator/Generators/CSharp/CSharpTypePrinter.cs
index cbf732c4..6bd20bcc 100644
--- a/src/Generator/Generators/CSharp/CSharpTypePrinter.cs
+++ b/src/Generator/Generators/CSharp/CSharpTypePrinter.cs
@@ -560,6 +560,9 @@ namespace CppSharp.Generators.CSharp
                 case PrimitiveType.LongLong:
                 case PrimitiveType.ULongLong:
                     return GetIntString(primitive, driver.TargetInfo);
+                case PrimitiveType.Int128: return "__int128";
+                case PrimitiveType.UInt128: return "__uint128_t";
+                case PrimitiveType.Half: return "__fp16";
                 case PrimitiveType.Float: return "float";
                 case PrimitiveType.Double: return "double";
                 // not really supported yet but it's closest, and we don't want crashes when parsing long doubles