diff --git a/Eltons.ReflectionKit/TypeSignature.cs b/Eltons.ReflectionKit/TypeSignature.cs
index b2fbb64..4b09a73 100644
--- a/Eltons.ReflectionKit/TypeSignature.cs
+++ b/Eltons.ReflectionKit/TypeSignature.cs
@@ -69,10 +69,14 @@ public static string GetQualifiedTypeName(Type type)
                 case "Int32":
                     return "int";
 
+                case "Double":
+                    return "double";
+
                 case "Decimal":
                     return "decimal";
 
                 case "Object":
+                case "Object&":
                     return "object";
 
                 case "Void":