diff --git a/src/rougail/annotator.py b/src/rougail/annotator.py
index 36ff1c84..d185ecc2 100644
--- a/src/rougail/annotator.py
+++ b/src/rougail/annotator.py
@@ -642,8 +642,8 @@ class ConstraintAnnotator:
 
     def check_replace_text(self):
         for check_idx, check in enumerate(self.objectspace.space.constraints.check):
+            namespace = check.namespace
             if hasattr(check, 'param'):
-                namespace = check.namespace
                 for idx, param in enumerate(check.param):
                     if param.type == 'variable':
                         param.text = self.objectspace.paths.get_variable_path(param.text, namespace)
diff --git a/tests/flattener_dicos/10check_no_param/00-base.xml b/tests/flattener_dicos/10check_no_param/00-base.xml
new file mode 100644
index 00000000..f26ecf5c
--- /dev/null
+++ b/tests/flattener_dicos/10check_no_param/00-base.xml
@@ -0,0 +1,24 @@
+<?xml version='1.0' encoding='UTF-8'?>
+<rougail>
+
+    <services/>
+
+    <variables>
+        <family name="general">
+            <variable name="mode_conteneur_actif" type="string" description="No change">
+                <value>b</value>
+            </variable>
+            <variable name="int" type="number" description="No change"/>
+        </family>
+        <separators/>
+    </variables>
+
+    <constraints>
+        <check name="valid_entier" target="int"/>
+    </constraints>
+
+    <help/>
+
+</rougail>
+<!-- vim: ts=4 sw=4 expandtab
+-->
diff --git a/tests/flattener_dicos/10check_no_param/__init__.py b/tests/flattener_dicos/10check_no_param/__init__.py
new file mode 100644
index 00000000..e69de29b
diff --git a/tests/flattener_dicos/10check_no_param/makedict/base.json b/tests/flattener_dicos/10check_no_param/makedict/base.json
new file mode 100644
index 00000000..0279c93a
--- /dev/null
+++ b/tests/flattener_dicos/10check_no_param/makedict/base.json
@@ -0,0 +1 @@
+{"rougail.general.mode_conteneur_actif": "b", "rougail.general.int": null}
diff --git a/tests/flattener_dicos/10check_no_param/tiramisu/__init__.py b/tests/flattener_dicos/10check_no_param/tiramisu/__init__.py
new file mode 100644
index 00000000..e69de29b
diff --git a/tests/flattener_dicos/10check_no_param/tiramisu/base.py b/tests/flattener_dicos/10check_no_param/tiramisu/base.py
new file mode 100644
index 00000000..0a8d1d57
--- /dev/null
+++ b/tests/flattener_dicos/10check_no_param/tiramisu/base.py
@@ -0,0 +1,9 @@
+from tiramisu import *
+from rougail.tiramisu import ConvertDynOptionDescription
+import imp
+func = imp.load_source('func', 'tests/flattener_dicos/../eosfunc/test.py')
+option_3 = StrOption(properties=frozenset({'mandatory', 'normal'}), name='mode_conteneur_actif', doc='No change', multi=False, default='b')
+option_4 = IntOption(properties=frozenset({'normal'}), validators=[Calculation(func.valid_entier, Params((ParamSelfOption()), kwargs={}), warnings_only=False)], name='int', doc='No change', multi=False)
+option_2 = OptionDescription(name='general', doc='general', properties=frozenset({'normal'}), children=[option_3, option_4])
+option_1 = OptionDescription(name='rougail', doc='rougail', children=[option_2])
+option_0 = OptionDescription(name='baseoption', doc='baseoption', children=[option_1])