diff --git a/logs/forms.py b/logs/forms.py
index 1ebfdcd4..72212b0c 100644
--- a/logs/forms.py
+++ b/logs/forms.py
@@ -40,16 +40,18 @@ def get_classes(module):
 
     for name, obj in inspect.getmembers(module):
         if inspect.isclass(obj):
-            classes.append((obj, name))
+            classes.append(name)
 
     return classes
 
 
 # Get the list of all imported classes
 modules = [machines.models, preferences.models, tickets.models, topologie.models, users.models]
-classes = sum([get_classes(m) for m in modules])
+classes = sum([get_classes(m) for m in modules], [])
 
-CHOICES_ACTION_TYPE = classes
+CHOICES_ACTION_TYPE = [
+    (str(i), classes[i]) for i in range(len(classes))
+]
 
 CHOICES_TYPE = (
     ("ip", _("IPv4")),
@@ -63,7 +65,6 @@ class ActionsSearchForm(Form):
         label=_("Performed by"),
         max_length=100,
         required=False,
-        queryset=users.models.User.objects.all()
     )
     t = forms.MultipleChoiceField(
         label=_("Action type"),
@@ -76,7 +77,7 @@ class ActionsSearchForm(Form):
     e = forms.DateField(required=False, label=_("End date"))
 
     def __init__(self, *args, **kwargs):
-        super(MachineHistorySearchForm, self).__init__(*args, **kwargs)
+        super(ActionsSearchForm, self).__init__(*args, **kwargs)
         self.fields["s"].help_text = get_input_formats_help_text(
             self.fields["s"].input_formats
         )
diff --git a/logs/models.py b/logs/models.py
index 4773d9b5..f1db0c08 100644
--- a/logs/models.py
+++ b/logs/models.py
@@ -60,7 +60,7 @@ class ActionsSearch:
             query &= Q(date_created__leq=end)
 
         if actions_type:
-            query &= Q(version_set__object__in=actions_type)
+            query &= Q(version__content_type__in=actions_type)
 
         return (
             Revision.objects.all()
diff --git a/logs/templates/logs/search_stats_logs.html b/logs/templates/logs/search_stats_logs.html
index d0b56ea6..5faa8066 100644
--- a/logs/templates/logs/search_stats_logs.html
+++ b/logs/templates/logs/search_stats_logs.html
@@ -32,7 +32,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
     <h3>{% trans "Search events" %}</h3>
 
     {% bootstrap_field actions_form.u %}
-    {% bootstrap_field actions_form.t %}
+    {% include 'buttons/multiple_checkbox_alt.html' with field=actions_form.t %}
     {% bootstrap_field actions_form.s %}
     {% bootstrap_field actions_form.e %}
     {% trans "Search" as tr_search %}