diff --git a/tiramisu/option/baseoption.py b/tiramisu/option/baseoption.py
index 75eda1f..95cf9bf 100644
--- a/tiramisu/option/baseoption.py
+++ b/tiramisu/option/baseoption.py
@@ -1001,6 +1001,16 @@ class SymLinkOption(OnlyOption):
     def impl_is_readonly(self):
         return True
 
+    def impl_getproperties(self):
+        return self._impl_getopt()._properties
+
+    def impl_get_callback(self):
+        return self._impl_getopt().impl_get_callback()
+
+    def impl_has_callback(self):
+        "to know if a callback has been defined or not"
+        return self._impl_getopt().impl_has_callback()
+
     def impl_is_multi(self):
         return self._impl_getopt().impl_is_multi()
 
@@ -1020,7 +1030,10 @@ class DynSymLinkOption(object):
         self._opt = opt
 
     def __getattr__(self, name, context=undefined):
-        return getattr(self._impl_getopt(), name)
+        if name in ('_opt', '_readonly', 'impl_getpath', '_name', '_state_opt'):
+            return object.__getattr__(self, name)
+        else:
+            return getattr(self._impl_getopt(), name)
 
     def impl_getname(self):
         return self._name