diff --git a/src/AST/Class.cs b/src/AST/Class.cs
index 30c4adaf..a9601dd7 100644
--- a/src/AST/Class.cs
+++ b/src/AST/Class.cs
@@ -213,7 +213,7 @@ namespace CppSharp.AST
         public Method GetRootBaseMethod(Method @override, bool onlyFirstBase = false)
         {
             return (from @base in Bases
-                    where !onlyFirstBase || !@base.Class.IsInterface
+                    where @base.IsClass && (!onlyFirstBase || !@base.Class.IsInterface)
                     let baseMethod = (
                         from method in @base.Class.Methods
                         where
diff --git a/src/Generator/Generators/CLI/CLISourcesTemplate.cs b/src/Generator/Generators/CLI/CLISourcesTemplate.cs
index 9bb47ef0..1dbe96ee 100644
--- a/src/Generator/Generators/CLI/CLISourcesTemplate.cs
+++ b/src/Generator/Generators/CLI/CLISourcesTemplate.cs
@@ -545,7 +545,7 @@ namespace CppSharp.Generators.CLI
 
         private bool GenerateClassConstructorBase(Class @class, bool isIntPtr, Method method = null)
         {
-            var hasBase = @class.HasBase && !@class.Bases[0].Class.Ignore;
+            var hasBase = @class.HasBase && @class.Bases[0].IsClass && !@class.Bases[0].Class.Ignore;
             if (!hasBase)
                 return false;
 
diff --git a/src/Generator/Generators/CSharp/CSharpTextTemplate.cs b/src/Generator/Generators/CSharp/CSharpTextTemplate.cs
index 6760952e..2c2770c0 100644
--- a/src/Generator/Generators/CSharp/CSharpTextTemplate.cs
+++ b/src/Generator/Generators/CSharp/CSharpTextTemplate.cs
@@ -716,6 +716,7 @@ namespace CppSharp.Generators.CSharp
             {
                 bases.AddRange(
                     from @base in @class.Bases
+                    where @base.IsClass
                     select QualifiedIdentifier(@base.Class));
             }
 
diff --git a/tests/Basic/Basic.h b/tests/Basic/Basic.h
index 78ecdcde..7cbfba3f 100644
--- a/tests/Basic/Basic.h
+++ b/tests/Basic/Basic.h
@@ -153,3 +153,14 @@ struct DLL_API DefaultParameters
     void Bar() const;
     void Bar();
 };
+
+// The Curiously Recurring Template Pattern (CRTP)
+template<class Derived>
+class Base
+{
+	// methods within Base can use template to access members of Derived
+	Derived* create() { return new Derived(); }
+};
+class Derived : public Base<Derived>
+{
+};