diff --git a/netbox/utilities/forms/mixins.py b/netbox/utilities/forms/mixins.py
index b6b3b7dac..9877845de 100644
--- a/netbox/utilities/forms/mixins.py
+++ b/netbox/utilities/forms/mixins.py
@@ -189,7 +189,7 @@ class FilterModifierMixin:
 
             if len(lookups) > 1:
                 field.widget = FilterModifierWidget(
-                    original_widget=field.widget,
+                    widget=field.widget,
                     lookups=lookups
                 )
 
diff --git a/netbox/utilities/forms/widgets/modifiers.py b/netbox/utilities/forms/widgets/modifiers.py
index dbe1e107b..d3d609734 100644
--- a/netbox/utilities/forms/widgets/modifiers.py
+++ b/netbox/utilities/forms/widgets/modifiers.py
@@ -18,16 +18,16 @@ class FilterModifierWidget(forms.Widget):
     """
     template_name = 'widgets/filter_modifier.html'
 
-    def __init__(self, original_widget, lookups, attrs=None):
+    def __init__(self, widget, lookups, attrs=None):
         """
         Args:
-            original_widget: The widget being wrapped (e.g., TextInput, NumberInput)
+            widget: The widget being wrapped (e.g., TextInput, NumberInput)
             lookups: List of (lookup_code, label) tuples (e.g., [('exact', 'Is'), ('ic', 'Contains')])
             attrs: Additional widget attributes
         """
-        self.original_widget = original_widget
+        self.original_widget = widget
         self.lookups = lookups
-        super().__init__(attrs or getattr(original_widget, 'attrs', {}))
+        super().__init__(attrs or getattr(widget, 'attrs', {}))
 
     def value_from_datadict(self, data, files, name):
         """
diff --git a/netbox/utilities/tests/test_filter_modifiers.py b/netbox/utilities/tests/test_filter_modifiers.py
index 3d977b994..d45ac2ddb 100644
--- a/netbox/utilities/tests/test_filter_modifiers.py
+++ b/netbox/utilities/tests/test_filter_modifiers.py
@@ -21,7 +21,7 @@ class FilterModifierWidgetTest(TestCase):
         This is critical for form redisplay after validation errors.
         """
         widget = FilterModifierWidget(
-            original_widget=forms.TextInput(),
+            widget=forms.TextInput(),
             lookups=[('exact', 'Is'), ('ic', 'Contains'), ('isw', 'Starts With')]
         )
         data = QueryDict('serial__ic=test123')
@@ -33,7 +33,7 @@ class FilterModifierWidgetTest(TestCase):
     def test_value_from_datadict_handles_exact_match(self):
         """Widget should detect exact match when field name has no modifier."""
         widget = FilterModifierWidget(
-            original_widget=forms.TextInput(),
+            widget=forms.TextInput(),
             lookups=[('exact', 'Is'), ('ic', 'Contains')]
         )
         data = QueryDict('serial=test456')
@@ -45,7 +45,7 @@ class FilterModifierWidgetTest(TestCase):
     def test_value_from_datadict_returns_none_when_no_value(self):
         """Widget should return None when no data present to avoid appearing in changed_data."""
         widget = FilterModifierWidget(
-            original_widget=forms.TextInput(),
+            widget=forms.TextInput(),
             lookups=[('exact', 'Is'), ('ic', 'Contains')]
         )
         data = QueryDict('')
@@ -57,7 +57,7 @@ class FilterModifierWidgetTest(TestCase):
     def test_get_context_includes_original_widget_and_lookups(self):
         """Widget context should include original widget context and lookup choices."""
         widget = FilterModifierWidget(
-            original_widget=forms.TextInput(),
+            widget=forms.TextInput(),
             lookups=[('exact', 'Is'), ('ic', 'Contains'), ('isw', 'Starts With')]
         )
         value = 'test'
@@ -76,7 +76,7 @@ class FilterModifierWidgetTest(TestCase):
     def test_widget_renders_modifier_dropdown_and_input(self):
         """Widget should render modifier dropdown alongside original input."""
         widget = FilterModifierWidget(
-            original_widget=forms.TextInput(),
+            widget=forms.TextInput(),
             lookups=[('exact', 'Is'), ('ic', 'Contains')]
         )