diff --git a/src/rougail/tiramisureflector.py b/src/rougail/tiramisureflector.py
index 7d823fa6..9a2debc5 100644
--- a/src/rougail/tiramisureflector.py
+++ b/src/rougail/tiramisureflector.py
@@ -251,7 +251,11 @@ class Common:
         if param.type == 'variable':
             return self.build_option_param(param)
         if param.type == 'information':
-            return f'ParamInformation("{param.text}", None)'
+            if hasattr(self.elt, 'multi') and self.elt.multi:
+                default = []
+            else:
+                default = None
+            return f'ParamInformation("{param.text}", {default})'
         if param.type == 'target_information':
             return f'ParamSelfInformation("{param.text}", None)'
         if param.type == 'suffix':
diff --git a/tests/dictionaries/10fill_information_multi/00-base.xml b/tests/dictionaries/10fill_information_multi/00-base.xml
new file mode 100644
index 00000000..77152550
--- /dev/null
+++ b/tests/dictionaries/10fill_information_multi/00-base.xml
@@ -0,0 +1,14 @@
+<?xml version='1.0' encoding='UTF-8'?>
+<rougail version="0.10">
+  <variables>
+    <family name="general">
+      <variable name="mode_conteneur_actif" type="string" description="No change" multi="True"/>
+    </family>
+  </variables>
+  <constraints>
+    <fill name="calc_val">
+      <param type="information">test_information</param>
+      <target>mode_conteneur_actif</target>
+    </fill>
+  </constraints>
+</rougail>
diff --git a/tests/dictionaries/10fill_information_multi/__init__.py b/tests/dictionaries/10fill_information_multi/__init__.py
new file mode 100644
index 00000000..e69de29b
diff --git a/tests/dictionaries/10fill_information_multi/makedict/after.json b/tests/dictionaries/10fill_information_multi/makedict/after.json
new file mode 100644
index 00000000..07c72318
--- /dev/null
+++ b/tests/dictionaries/10fill_information_multi/makedict/after.json
@@ -0,0 +1,8 @@
+{
+    "rougail.general.mode_conteneur_actif": {
+        "owner": "default",
+        "value": [
+            "value"
+        ]
+    }
+}
diff --git a/tests/dictionaries/10fill_information_multi/makedict/base.json b/tests/dictionaries/10fill_information_multi/makedict/base.json
new file mode 100644
index 00000000..bc0f3f5d
--- /dev/null
+++ b/tests/dictionaries/10fill_information_multi/makedict/base.json
@@ -0,0 +1,5 @@
+{
+    "rougail.general.mode_conteneur_actif": [
+        "value"
+    ]
+}
diff --git a/tests/dictionaries/10fill_information_multi/makedict/before.json b/tests/dictionaries/10fill_information_multi/makedict/before.json
new file mode 100644
index 00000000..07c72318
--- /dev/null
+++ b/tests/dictionaries/10fill_information_multi/makedict/before.json
@@ -0,0 +1,8 @@
+{
+    "rougail.general.mode_conteneur_actif": {
+        "owner": "default",
+        "value": [
+            "value"
+        ]
+    }
+}
diff --git a/tests/dictionaries/10fill_information_multi/tiramisu/base.py b/tests/dictionaries/10fill_information_multi/tiramisu/base.py
new file mode 100644
index 00000000..7605b9ec
--- /dev/null
+++ b/tests/dictionaries/10fill_information_multi/tiramisu/base.py
@@ -0,0 +1,17 @@
+from importlib.machinery import SourceFileLoader
+from importlib.util import spec_from_loader, module_from_spec
+loader = SourceFileLoader('func', 'tests/dictionaries/../eosfunc/test.py')
+spec = spec_from_loader(loader.name, loader)
+func = module_from_spec(spec)
+loader.exec_module(func)
+for key, value in dict(locals()).items():
+    if key != ['SourceFileLoader', 'func']:
+        setattr(func, key, value)
+try:
+    from tiramisu3 import *
+except:
+    from tiramisu import *
+option_3 = StrOption(name="mode_conteneur_actif", doc="No change", multi=True, default=[Calculation(func.calc_val, Params((ParamInformation("test_information", []))))], properties=frozenset({"normal"}))
+option_2 = OptionDescription(name="general", doc="general", children=[option_3], properties=frozenset({"normal"}))
+option_1 = OptionDescription(name="rougail", doc="rougail", children=[option_2])
+option_0 = OptionDescription(name="baseoption", doc="baseoption", children=[option_1])
diff --git a/tests/dictionaries/20family_dynamic_leadership/makedict/after.json b/tests/dictionaries/20family_dynamic_leadership/makedict/after.json
new file mode 100644
index 00000000..12eb7e6a
--- /dev/null
+++ b/tests/dictionaries/20family_dynamic_leadership/makedict/after.json
@@ -0,0 +1,41 @@
+{
+    "rougail.general.varname": {
+        "owner": "default",
+        "value": [
+            "val1",
+            "val2"
+        ]
+    },
+    "rougail.dynval1.vardynval1": {
+        "owner": "default",
+        "value": null
+    },
+    "rougail.dynval1.leadershipval1.leaderval1": {
+        "owner": "default",
+        "value": []
+    },
+    "rougail.dynval1.leadershipval1.follower1val1": {
+        "owner": [],
+        "value": []
+    },
+    "rougail.dynval1.leadershipval1.follower2val1": {
+        "owner": [],
+        "value": []
+    },
+    "rougail.dynval2.vardynval2": {
+        "owner": "default",
+        "value": null
+    },
+    "rougail.dynval2.leadershipval2.leaderval2": {
+        "owner": "default",
+        "value": []
+    },
+    "rougail.dynval2.leadershipval2.follower1val2": {
+        "owner": [],
+        "value": []
+    },
+    "rougail.dynval2.leadershipval2.follower2val2": {
+        "owner": [],
+        "value": []
+    }
+}
diff --git a/tests/dictionaries/20family_dynamic_leadership/makedict/base.json b/tests/dictionaries/20family_dynamic_leadership/makedict/base.json
new file mode 100644
index 00000000..b554bc67
--- /dev/null
+++ b/tests/dictionaries/20family_dynamic_leadership/makedict/base.json
@@ -0,0 +1,10 @@
+{
+    "rougail.general.varname": [
+        "val1",
+        "val2"
+    ],
+    "rougail.dynval1.vardynval1": null,
+    "rougail.dynval1.leadershipval1.leaderval1": [],
+    "rougail.dynval2.vardynval2": null,
+    "rougail.dynval2.leadershipval2.leaderval2": []
+}
diff --git a/tests/dictionaries/20family_dynamic_leadership/makedict/before.json b/tests/dictionaries/20family_dynamic_leadership/makedict/before.json
new file mode 100644
index 00000000..12eb7e6a
--- /dev/null
+++ b/tests/dictionaries/20family_dynamic_leadership/makedict/before.json
@@ -0,0 +1,41 @@
+{
+    "rougail.general.varname": {
+        "owner": "default",
+        "value": [
+            "val1",
+            "val2"
+        ]
+    },
+    "rougail.dynval1.vardynval1": {
+        "owner": "default",
+        "value": null
+    },
+    "rougail.dynval1.leadershipval1.leaderval1": {
+        "owner": "default",
+        "value": []
+    },
+    "rougail.dynval1.leadershipval1.follower1val1": {
+        "owner": [],
+        "value": []
+    },
+    "rougail.dynval1.leadershipval1.follower2val1": {
+        "owner": [],
+        "value": []
+    },
+    "rougail.dynval2.vardynval2": {
+        "owner": "default",
+        "value": null
+    },
+    "rougail.dynval2.leadershipval2.leaderval2": {
+        "owner": "default",
+        "value": []
+    },
+    "rougail.dynval2.leadershipval2.follower1val2": {
+        "owner": [],
+        "value": []
+    },
+    "rougail.dynval2.leadershipval2.follower2val2": {
+        "owner": [],
+        "value": []
+    }
+}