diff --git a/Examples/test-suite/python/director_profile.i b/Examples/test-suite/python/director_profile.i
index 03407d3f4..25ed895b5 100644
--- a/Examples/test-suite/python/director_profile.i
+++ b/Examples/test-suite/python/director_profile.i
@@ -1,5 +1,7 @@
 %module(directors="1") director_profile
 
+%include std_string.i
+
 %feature("director") B;
 
 
@@ -48,6 +50,14 @@
     {
       return b;
     }
+
+    virtual std::string vfs(const std::string& a) {
+      return a;
+    }
+    
+    std::string fs(const std::string& a) {
+      return vfs(a);
+    }
     
   };