diff --git a/tests/test_dyn_optiondescription.py b/tests/test_dyn_optiondescription.py
index 407528d..d936874 100644
--- a/tests/test_dyn_optiondescription.py
+++ b/tests/test_dyn_optiondescription.py
@@ -515,6 +515,12 @@ def test_dyndescription_subdyn():
     assert cfg.option('od.dod2val1.dodval1.st').type() == "string"
     assert cfg.option('od.dod2.dod').type() == "optiondescription"
     assert cfg.option('od.dod2val1.dodval1').type() == "optiondescription"
+    #
+    with pytest.raises(AttributeOptionError):
+        cfg.option('od.dod2.dod').identifiers()
+    assert cfg.option('od.dod2.dod').identifiers(only_self=True) == ['val1', 'val2']
+    assert cfg.option('od.dod2val1.dodval1').identifiers() == ['val1', 'val1']
+    assert cfg.option('od.dod2val1.dodval1').identifiers(only_self=True) == ['val1', 'val2']
 
 
 def test_callback_dyndescription_subdyn():
diff --git a/tiramisu/api.py b/tiramisu/api.py
index ddb2afd..8f96431 100644
--- a/tiramisu/api.py
+++ b/tiramisu/api.py
@@ -521,7 +521,7 @@ class _TiramisuOptionOptionDescription:
             )
         return ret
 
-    @option_type(["dynamic", "with_or_without_index"])
+    @option_type(["dynamic", "with_or_without_index", "allow_dynoption"])
     def identifiers(
         self,
         only_self: bool = False,
@@ -529,6 +529,8 @@ class _TiramisuOptionOptionDescription:
     ):
         """Get identifiers for dynamic option"""
         if not only_self:
+            if self._subconfig.is_dynamic_without_identifiers and not uncalculated:
+                raise AttributeOptionError(self._subconfig.path, "option-dynamic")
             return self._subconfig.identifiers
         if (
             not self._subconfig.option.impl_is_optiondescription()