diff --git a/src/Generator/Generators/CSharp/CSharpTypePrinter.cs b/src/Generator/Generators/CSharp/CSharpTypePrinter.cs
index 1e2929d2..d1f3d301 100644
--- a/src/Generator/Generators/CSharp/CSharpTypePrinter.cs
+++ b/src/Generator/Generators/CSharp/CSharpTypePrinter.cs
@@ -87,8 +87,22 @@ namespace CppSharp.Generators.CSharp
 
         public CSharpTypePrinterResult VisitTagType(TagType tag, TypeQualifiers quals)
         {
-            if (tag.Declaration == null)
-                return string.Empty;
+            if (tag.Declaration == null)
+                return string.Empty;
+
+            TypeMap typeMap;
+            if (TypeMapDatabase.FindTypeMap(tag.Declaration, out typeMap))
+            {
+                typeMap.Type = tag;
+                Context.CSharpKind = ContextKind;
+                Context.Type = tag;
+
+                return new CSharpTypePrinterResult()
+                {
+                    Type = typeMap.CSharpSignature(Context),
+                    TypeMap = typeMap
+                };
+            }
 
             return tag.Declaration.Visit(this);
         }
diff --git a/src/Generator/Passes/CheckDuplicatedNamesPass.cs b/src/Generator/Passes/CheckDuplicatedNamesPass.cs
index 9a758100..88748b79 100644
--- a/src/Generator/Passes/CheckDuplicatedNamesPass.cs
+++ b/src/Generator/Passes/CheckDuplicatedNamesPass.cs
@@ -46,7 +46,7 @@ namespace CppSharp.Passes
             return true;
         }
 
-        private bool UpdateName(Function method)
+        private bool UpdateName(Method method)
         {
             var @params = method.Parameters.Where(p => p.Kind != ParameterKind.IndirectReturnType)
                                 .Select(p => p.QualifiedType.ToString());
@@ -72,6 +72,11 @@ namespace CppSharp.Passes
                 Driver.Diagnostics.EmitWarning("Duplicate operator {0} ignored", method.Name);
                 method.ExplicityIgnored = true;
             }
+            else if (method.IsConstructor)
+            {
+                Driver.Diagnostics.EmitWarning("Duplicate constructor {0} ignored", method.Name);
+                method.ExplicityIgnored = true;
+            }
             else
                 method.Name += methodCount.ToString(CultureInfo.InvariantCulture);
             return true;
diff --git a/src/Generator/Types/TypeMap.cs b/src/Generator/Types/TypeMap.cs
index 121d58ec..fd53b3d2 100644
--- a/src/Generator/Types/TypeMap.cs
+++ b/src/Generator/Types/TypeMap.cs
@@ -134,19 +134,31 @@ namespace CppSharp.Types
         public bool FindTypeMap(Type type, out TypeMap typeMap)
         {
             var typePrinter = new CppTypePrinter(this);
-            var output = type.Visit(typePrinter);
 
-            if (FindTypeMap(output, out typeMap))
+            TemplateSpecializationType template = type as TemplateSpecializationType;
+            if (template != null)
+            {
+                if (FindTypeMap(template.Template.TemplatedDecl.Visit(typePrinter), out typeMap))
+                {
+                    typeMap.Type = type;
+                    return true;
+                }
+                typePrinter.PrintLocalName = true;
+                if (FindTypeMap(template.Template.TemplatedDecl.Visit(typePrinter), out typeMap))
+                {
+                    typeMap.Type = type;
+                    return true;
+                }
+            }
+
+            if (FindTypeMap(type.Visit(typePrinter), out typeMap))
             {
                 typeMap.Type = type;
                 return true;
             }
 
-            // Try to strip the global scope resolution operator.
-            if (output.StartsWith("::"))
-                output = output.Substring(2);
-
-            if (FindTypeMap(output, out typeMap))
+            typePrinter.PrintLocalName = false;
+            if (FindTypeMap(type.Visit(typePrinter), out typeMap))
             {
                 typeMap.Type = type;
                 return true;
diff --git a/tests/CSharpTemp/CSharpTemp.Tests.cs b/tests/CSharpTemp/CSharpTemp.Tests.cs
index a492411c..471b4c88 100644
--- a/tests/CSharpTemp/CSharpTemp.Tests.cs
+++ b/tests/CSharpTemp/CSharpTemp.Tests.cs
@@ -68,7 +68,7 @@ public class CSharpTempTests
         Assert.That(proprietor.Value, Is.EqualTo(20));
         proprietor.Prop = 50;
         Assert.That(proprietor.Prop, Is.EqualTo(50));
-        var p = new P();
+        var p = new P(null);
         p.Value = 20;
         Assert.That(p.Value, Is.EqualTo(30));
         p.Prop = 50;
diff --git a/tests/CSharpTemp/CSharpTemp.cpp b/tests/CSharpTemp/CSharpTemp.cpp
index 08de6da0..0176736d 100644
--- a/tests/CSharpTemp/CSharpTemp.cpp
+++ b/tests/CSharpTemp/CSharpTemp.cpp
@@ -140,6 +140,26 @@ int ComplexType::check()
     return 5;
 }
 
+QFlags<int> ComplexType::returnsQFlags()
+{
+    return QFlags<int>();
+}
+
+void ComplexType::takesQFlags(const QFlags<int> f)
+{
+
+}
+
+P::P(const Qux &qux)
+{
+
+}
+
+P::P(Qux *qux)
+{
+
+}
+
 ComplexType P::complexType()
 {
     return m_complexType;
diff --git a/tests/CSharpTemp/CSharpTemp.cs b/tests/CSharpTemp/CSharpTemp.cs
index 4e1431a9..bb473b11 100644
--- a/tests/CSharpTemp/CSharpTemp.cs
+++ b/tests/CSharpTemp/CSharpTemp.cs
@@ -1,10 +1,33 @@
 using CppSharp.AST;
 using CppSharp.Generators;
+using CppSharp.Generators.CSharp;
 using CppSharp.Passes;
+using CppSharp.Types;
 using CppSharp.Utils;
 
 namespace CppSharp.Tests
 {
+    [TypeMap("QFlags")]
+    public class QFlags : TypeMap
+    {
+        public override string CSharpSignature(CSharpTypePrinterContext ctx)
+        {
+            TemplateArgument templateArgument =
+                ((TemplateSpecializationType) ctx.Type.Desugar()).Arguments[0];
+            return templateArgument.Type.Type.ToString();
+        }
+
+        public override void CSharpMarshalToNative(MarshalContext ctx)
+        {
+            ctx.Return.Write(ctx.Parameter.Name);
+        }
+
+        public override void CSharpMarshalToManaged(MarshalContext ctx)
+        {
+            ctx.Return.Write(ctx.ReturnVarName);
+        }
+    }
+
     public class CSharpTempTests : LibraryTest
     {
         public CSharpTempTests(GeneratorKind kind)
diff --git a/tests/CSharpTemp/CSharpTemp.h b/tests/CSharpTemp/CSharpTemp.h
index e2537353..2adec6eb 100644
--- a/tests/CSharpTemp/CSharpTemp.h
+++ b/tests/CSharpTemp/CSharpTemp.h
@@ -95,15 +95,27 @@ public:
     virtual long prop();
 };
 
+template <typename T>
+class QFlags
+{
+public:
+    QFlags() {}
+};
+
 class DLL_API ComplexType
 {
 public:
     int check();
+    QFlags<int> returnsQFlags();
+    void takesQFlags(const QFlags<int> f);
 };
 
 class DLL_API P : Proprietor
 {
 public:
+    P(const Qux& qux);
+    P(Qux* qux);
+
     virtual void setValue(int value);
     virtual long prop();