diff --git a/src/AST/ClassExtensions.cs b/src/AST/ClassExtensions.cs
index 2355cc0b..2420ff25 100644
--- a/src/AST/ClassExtensions.cs
+++ b/src/AST/ClassExtensions.cs
@@ -43,11 +43,11 @@ namespace CppSharp.AST
             }
         }
 
-        public static Class GetRootBase(this Class @class)
+        public static Class GetNonIgnoredRootBase(this Class @class)
         {
             while (true)
             {
-                if (@class.BaseClass == null)
+                if (!@class.HasNonIgnoredBase || @class.BaseClass == null)
                     return @class;
 
                 @class = @class.BaseClass;
diff --git a/src/Generator/Generators/CSharp/CSharpTextTemplate.cs b/src/Generator/Generators/CSharp/CSharpTextTemplate.cs
index e4f5a24d..0600a7d1 100644
--- a/src/Generator/Generators/CSharp/CSharpTextTemplate.cs
+++ b/src/Generator/Generators/CSharp/CSharpTextTemplate.cs
@@ -1784,7 +1784,7 @@ namespace CppSharp.Generators.CSharp
 
             if (@class.IsRefType)
             {
-                var @base = @class.GetRootBase();
+                var @base = @class.GetNonIgnoredRootBase();
                 var className = @base.IsAbstractImpl ? @base.BaseClass.Name : @base.Name;
 
                 // Use interfaces if any - derived types with a this class as a seconary base, must be compatible with the map
diff --git a/tests/CSharpTemp/CSharpTemp.h b/tests/CSharpTemp/CSharpTemp.h
index 21f438f4..f7944290 100644
--- a/tests/CSharpTemp/CSharpTemp.h
+++ b/tests/CSharpTemp/CSharpTemp.h
@@ -230,6 +230,10 @@ private:
     const char* _name;
 };
 
+class TestObjectMapWithClassDerivedFromStruct : public QGenericArgument
+{
+};
+
 #define DEFAULT_INT (2 * 1000UL + 500UL)
 
 namespace Qt