diff --git a/src/MapTo/Sources/MapClassSource.cs b/src/MapTo/Sources/MapClassSource.cs
index f7e2f5b..10229b7 100644
--- a/src/MapTo/Sources/MapClassSource.cs
+++ b/src/MapTo/Sources/MapClassSource.cs
@@ -71,8 +71,8 @@ namespace MapTo.Sources
                 if (property.TypeConverter is null)
                 {
                     builder.WriteLine(property.MappedSourcePropertyTypeName is null 
-                        ? $"{property.Name} = {sourceClassParameterName}.{property.SourcePropertyName};" 
-                        : $"{property.Name} = new {property.Type}({sourceClassParameterName}.{property.SourcePropertyName});");
+                        ? $"{property.Name} = {sourceClassParameterName}.{property.SourcePropertyName};"
+                        : $"{property.Name} = {sourceClassParameterName}.{property.SourcePropertyName}.To{property.Type}();");
                 }
                 else
                 {
diff --git a/test/MapTo.Tests/MapToTests.cs b/test/MapTo.Tests/MapToTests.cs
index 92a835e..e75385c 100644
--- a/test/MapTo.Tests/MapToTests.cs
+++ b/test/MapTo.Tests/MapToTests.cs
@@ -363,7 +363,7 @@ namespace Test
             Prop1 = baz.Prop1;
             Prop2 = baz.Prop2;
             Prop3 = baz.Prop3;
-            InnerProp1 = new B(baz.InnerProp1);
+            InnerProp1 = baz.InnerProp1.ToB();
         }
 ".Trim();