diff --git a/src/core/forms/forms.py b/src/core/forms/forms.py
index bb1359b6a..9d235eefe 100755
--- a/src/core/forms/forms.py
+++ b/src/core/forms/forms.py
@@ -695,7 +695,7 @@ def __init__(self, *args, **kwargs):
                     count = values_list.count(value)
                     label_with_count = f'{label} ({count})'
                     choices.append((value, label_with_count))
-                self.fields[facet_key] = forms.ChoiceField(
+                self.fields[facet_key] = forms.MultipleChoiceField(
                     widget=forms.widgets.CheckboxSelectMultiple,
                     choices=choices,
                     required=False,