diff --git a/src/Generator/Generators/CLI/CLIMarshal.cs b/src/Generator/Generators/CLI/CLIMarshal.cs
index d6f2a138..c71f6df0 100644
--- a/src/Generator/Generators/CLI/CLIMarshal.cs
+++ b/src/Generator/Generators/CLI/CLIMarshal.cs
@@ -61,7 +61,7 @@ namespace CppSharp.Generators.CLI
                     break;
                 case ArrayType.ArraySize.Incomplete:
                     // const char* and const char[] are the same so we can use a string
-                    if (array.Type.IsPrimitiveType(PrimitiveType.Char) &&
+                    if (array.Type.Desugar().IsPrimitiveType(PrimitiveType.Char) &&
                         array.QualifiedType.Qualifiers.IsConst)
                         return VisitPointerType(new PointerType
                             {
diff --git a/src/Generator/Generators/CLI/CLITypePrinter.cs b/src/Generator/Generators/CLI/CLITypePrinter.cs
index 29ce8182..c5ae8a93 100644
--- a/src/Generator/Generators/CLI/CLITypePrinter.cs
+++ b/src/Generator/Generators/CLI/CLITypePrinter.cs
@@ -65,7 +65,7 @@ namespace CppSharp.Generators.CLI
         {
             // const char* and const char[] are the same so we can use a string
             if (array.SizeType == ArrayType.ArraySize.Incomplete &&
-                array.Type.IsPrimitiveType(PrimitiveType.Char) &&
+                array.Type.Desugar().IsPrimitiveType(PrimitiveType.Char) &&
                 array.QualifiedType.Qualifiers.IsConst)
                 return "System::String^";
 
diff --git a/src/Generator/Generators/CSharp/CSharpMarshal.cs b/src/Generator/Generators/CSharp/CSharpMarshal.cs
index fc368704..dd08479d 100644
--- a/src/Generator/Generators/CSharp/CSharpMarshal.cs
+++ b/src/Generator/Generators/CSharp/CSharpMarshal.cs
@@ -118,7 +118,7 @@ namespace CppSharp.Generators.CSharp
                     break;
                 case ArrayType.ArraySize.Incomplete:
                     // const char* and const char[] are the same so we can use a string
-                    if (array.Type.IsPrimitiveType(PrimitiveType.Char) &&
+                    if (array.Type.Desugar().IsPrimitiveType(PrimitiveType.Char) &&
                         array.QualifiedType.Qualifiers.IsConst)
                         return VisitPointerType(new PointerType
                             {
diff --git a/src/Generator/Generators/CSharp/CSharpTypePrinter.cs b/src/Generator/Generators/CSharp/CSharpTypePrinter.cs
index 2640be71..949abd5c 100644
--- a/src/Generator/Generators/CSharp/CSharpTypePrinter.cs
+++ b/src/Generator/Generators/CSharp/CSharpTypePrinter.cs
@@ -155,7 +155,7 @@ namespace CppSharp.Generators.CSharp
 
             // const char* and const char[] are the same so we can use a string
             if (array.SizeType == ArrayType.ArraySize.Incomplete &&
-                array.Type.IsPrimitiveType(PrimitiveType.Char) &&
+                array.Type.Desugar().IsPrimitiveType(PrimitiveType.Char) &&
                 array.QualifiedType.Qualifiers.IsConst)
                 return "string";