diff --git a/ajax_datatable/columns.py b/ajax_datatable/columns.py
index 2861521..b4fe841 100644
--- a/ajax_datatable/columns.py
+++ b/ajax_datatable/columns.py
@@ -102,7 +102,7 @@ def string_tags_in_case(self, value):
     def render_column_value(self, obj, value):
 
         if self._allow_choices_lookup:
-            #return self._choices_lookup[value]
+            # return self._choices_lookup[value]
             return self.string_tags_in_case(self._choices_lookup.get(value, ''))
 
         if isinstance(value, datetime.datetime):
@@ -226,7 +226,7 @@ def render_column(self, obj):
 class ManyToManyColumn(ForeignColumn):
 
     def get_foreign_value(self, obj):
-        current_value = obj
+        current_value = obj # noqa
         m2m_name, m2m_field = self._field_path
 
         to_eval = f'obj.{m2m_name}_list'
@@ -243,6 +243,7 @@ def render_column_value(self, obj, value_list):
 
         return ', '.join([str(value) for value in value_list])
 
+
 class ColumnLink(object):
 
     def __init__(self, name, model_column=None, searchable='true', orderable='true', search_value='',
diff --git a/ajax_datatable/filters.py b/ajax_datatable/filters.py
index c6c7878..7fabce1 100644
--- a/ajax_datatable/filters.py
+++ b/ajax_datatable/filters.py
@@ -44,6 +44,21 @@ def build_column_filter(column_name, column_obj, column_spec, search_value, glob
     #     # search_filter = Q(**{query_param_name + '__in': [search_value, ]})
     #     raise Exception('Searching not supported for ManyToManyFields (yet)')
     #     pass
+    elif isinstance(column_obj.model_field, models.BooleanField):
+        query_param_name = column_obj.get_field_search_path()
+        if search_value in ['true', 'false']:
+            search_value = eval(search_value.capitalize())
+            search_filter = Q(**{query_param_name: search_value})
+        else:
+            # If the filter contains 'y', 'e', 's' or a combination we filter for True
+            if search_value in 'yes':
+                search_filter = Q(**{query_param_name: True})
+            # same but with 'n', 'o'
+            elif search_value in 'no':
+                search_filter = Q(**{query_param_name: False})
+            # if we have any other search value, we exclude both True and False, should return empty
+            elif search_value:
+                search_filter = ~Q(**{f'{query_param_name}__in': [True, False]})
     else:
         query_param_name = column_obj.get_field_search_path()
 
diff --git a/ajax_datatable/views.py b/ajax_datatable/views.py
index ba77b15..f9b1b68 100644
--- a/ajax_datatable/views.py
+++ b/ajax_datatable/views.py
@@ -232,6 +232,9 @@ def initialize(self, request):
                 cs['choices'] = choices if len(choices) > 0 else None
             # (3) Otherwise, just use the sequence of choices that has been supplied.
 
+            if choices and not [col for col in column_defs_ex if col['name'] == key and 'lookup_field' in col]:
+                cs['lookup_field'] = '__iexact'
+
             self.column_index[key] = {
                 'spec': cs,
                 'column': column,
diff --git a/example/backend/admin.py b/example/backend/admin.py
index d97fd48..df7bc4d 100644
--- a/example/backend/admin.py
+++ b/example/backend/admin.py
@@ -13,6 +13,7 @@
 class TagAdmin(admin.ModelAdmin):
     pass
 
+
 @admin.register(Tag2)
 class Tag2Admin(admin.ModelAdmin):
     pass
diff --git a/example/backend/models.py b/example/backend/models.py
index 84beb0f..928704a 100644
--- a/example/backend/models.py
+++ b/example/backend/models.py
@@ -21,6 +21,7 @@ def __str__(self):
     ('new-age', 'New Age'),
 )
 
+
 class Tag2(models.Model):
     name = models.CharField(null=False, blank=False, max_length=256, choices=TAG2_CHOICES)
 
diff --git a/example/frontend/ajax_datatable_views.py b/example/frontend/ajax_datatable_views.py
index 19b02e9..6a50a45 100644
--- a/example/frontend/ajax_datatable_views.py
+++ b/example/frontend/ajax_datatable_views.py
@@ -99,7 +99,13 @@ class TrackAjaxDatatableView(AjaxDatatableView):
             'visible': True, 'choices': True, 'autofilter': True, },
         # {'name': 'tags', 'visible': True, 'searchable': False, },
         {'name': 'tags', 'm2m_foreign_field': 'tags__name', 'searchable': True, 'choices': True, 'autofilter': True, },
-        {'name': 'tags2', 'm2m_foreign_field': 'tags2__name', 'searchable': True, 'choices': True, 'autofilter': False, },
+        {
+            'name': 'tags2',
+            'm2m_foreign_field': 'tags2__name',
+            'searchable': True,
+            'choices': True,
+            'autofilter': False,
+        },
     ]
 
     @query_debugger