diff --git a/src/app/(main)/websites/[websiteId]/cohorts/CohortEditForm.tsx b/src/app/(main)/websites/[websiteId]/cohorts/CohortEditForm.tsx
index 76eba603..bde75d48 100644
--- a/src/app/(main)/websites/[websiteId]/cohorts/CohortEditForm.tsx
+++ b/src/app/(main)/websites/[websiteId]/cohorts/CohortEditForm.tsx
@@ -90,7 +90,9 @@ export function CohortEditForm({
     <Form
       error={error}
       onSubmit={handleSubmit}
-      defaultValues={data || { parameters: { filters, dateRange: '30day' } }}
+      defaultValues={
+        data || { parameters: { filters, dateRange: '30day', action: { type: 'path' } } }
+      }
     >
       <FormField
         name="name"
@@ -104,14 +106,19 @@ export function CohortEditForm({
         <Label>{formatMessage(labels.action)}</Label>
         <Grid columns="260px 1fr" gap>
           <Column>
-            <Select value={action} onChange={setAction}>
-              <ListItem id="path">{formatMessage(labels.viewedPage)}</ListItem>
-              <ListItem id="event">{formatMessage(labels.triggeredEvent)}</ListItem>
-            </Select>
+            <FormField
+              name="parameters.action.type"
+              rules={{ required: formatMessage(labels.required) }}
+            >
+              <Select onSelectionChange={(value: any) => setAction(value)}>
+                <ListItem id="path">{formatMessage(labels.viewedPage)}</ListItem>
+                <ListItem id="event">{formatMessage(labels.triggeredEvent)}</ListItem>
+              </Select>
+            </FormField>
           </Column>
           <Column>
             <FormField
-              name="parameters.action"
+              name="parameters.action.value"
               rules={{ required: formatMessage(labels.required) }}
             >
               {({ field }) => {
diff --git a/src/app/api/websites/[websiteId]/values/route.ts b/src/app/api/websites/[websiteId]/values/route.ts
index 12942f5c..80f96509 100644
--- a/src/app/api/websites/[websiteId]/values/route.ts
+++ b/src/app/api/websites/[websiteId]/values/route.ts
@@ -1,5 +1,5 @@
 import { canViewWebsite } from '@/validations';
-import { EVENT_COLUMNS, FILTER_COLUMNS, FILTER_GROUPS, SESSION_COLUMNS } from '@/lib/constants';
+import { EVENT_COLUMNS, FILTER_COLUMNS, SEGMENT_TYPES, SESSION_COLUMNS } from '@/lib/constants';
 import { getQueryFilters, parseRequest } from '@/lib/request';
 import { badRequest, json, unauthorized } from '@/lib/response';
 import { getWebsiteSegments, getValues } from '@/queries';
@@ -30,14 +30,16 @@ export async function GET(
 
   const { type } = query;
 
-  if (!SESSION_COLUMNS.includes(type) && !EVENT_COLUMNS.includes(type) && !FILTER_GROUPS[type]) {
+  if (!SESSION_COLUMNS.includes(type) && !EVENT_COLUMNS.includes(type) && !SEGMENT_TYPES[type]) {
     return badRequest();
   }
 
-  let values;
+  let values: any[];
 
-  if (FILTER_GROUPS[type]) {
-    values = (await getWebsiteSegments(websiteId, type)).map(segment => ({ value: segment.name }));
+  if (SEGMENT_TYPES[type]) {
+    values = (await getWebsiteSegments(websiteId, type))?.data?.map(segment => ({
+      value: segment.name,
+    }));
   } else {
     const filters = await getQueryFilters(query, websiteId);
     values = await getValues(websiteId, FILTER_COLUMNS[type], filters);
diff --git a/src/components/input/FilterBar.tsx b/src/components/input/FilterBar.tsx
index ad115de4..52524c1a 100644
--- a/src/components/input/FilterBar.tsx
+++ b/src/components/input/FilterBar.tsx
@@ -92,16 +92,9 @@ export function FilterBar({ websiteId }: { websiteId: string }) {
             </TooltipTrigger>
           )}
           <Modal>
-            <Dialog title={formatMessage(labels.segment)} style={{ width: 400 }}>
+            <Dialog title={formatMessage(labels.segment)} style={{ width: 800, minHeight: 300 }}>
               {({ close }) => {
-                return (
-                  <SegmentEditForm
-                    websiteId={websiteId}
-                    onClose={close}
-                    filters={filters}
-                    showFilters={false}
-                  />
-                );
+                return <SegmentEditForm websiteId={websiteId} onClose={close} filters={filters} />;
               }}
             </Dialog>
           </Modal>
diff --git a/src/components/input/FilterEditForm.tsx b/src/components/input/FilterEditForm.tsx
index d32f875c..b21c5d55 100644
--- a/src/components/input/FilterEditForm.tsx
+++ b/src/components/input/FilterEditForm.tsx
@@ -1,6 +1,6 @@
 import { useState } from 'react';
 import { Column, Tabs, TabList, Tab, TabPanel, Row, Button } from '@umami/react-zen';
-import { useDateRange, useMessages } from '@/components/hooks';
+import { useMessages } from '@/components/hooks';
 import { FieldFilters } from '@/components/input/FieldFilters';
 import { SegmentFilters } from '@/components/input/SegmentFilters';
 
@@ -23,10 +23,6 @@ export function FilterEditForm({
   const [currentFilters, setCurrentFilters] = useState(filters);
   const [currentSegment, setCurrentSegment] = useState(segmentId);
 
-  const {
-    dateRange: { startDate, endDate },
-  } = useDateRange(websiteId);
-
   const handleReset = () => {
     setCurrentFilters([]);
     setCurrentSegment(null);
@@ -49,13 +45,7 @@ export function FilterEditForm({
           <Tab id="segments">{formatMessage(labels.segments)}</Tab>
         </TabList>
         <TabPanel id="fields">
-          <FieldFilters
-            websiteId={websiteId}
-            value={currentFilters}
-            startDate={startDate}
-            endDate={endDate}
-            onSave={setCurrentFilters}
-          />
+          <FieldFilters websiteId={websiteId} value={currentFilters} onChange={setCurrentFilters} />
         </TabPanel>
         <TabPanel id="segments" style={{ height: 400 }}>
           <SegmentFilters
diff --git a/src/lib/constants.ts b/src/lib/constants.ts
index f2e9175c..11d35aee 100644
--- a/src/lib/constants.ts
+++ b/src/lib/constants.ts
@@ -53,7 +53,7 @@ export const SESSION_COLUMNS = [
   'region',
 ];
 
-export const FILTER_GROUPS = {
+export const SEGMENT_TYPES = {
   segment: 'segment',
   cohort: 'cohort',
 };
diff --git a/src/lib/params.ts b/src/lib/params.ts
index f17f32c7..71fd8cb2 100644
--- a/src/lib/params.ts
+++ b/src/lib/params.ts
@@ -18,7 +18,7 @@ export function isSearchOperator(operator: any) {
   return [OPERATORS.contains, OPERATORS.doesNotContain].includes(operator);
 }
 
-export function filtersObjectToArray(filters: QueryFilters, options: QueryOptions = {}) {
+export function filtersObjectToArray(filters: QueryFilters, options: QueryOptions = {}): Filter[] {
   if (!filters) {
     return [];
   }
diff --git a/src/lib/request.ts b/src/lib/request.ts
index fc07ab8c..b2881d82 100644
--- a/src/lib/request.ts
+++ b/src/lib/request.ts
@@ -6,6 +6,7 @@ import { badRequest, unauthorized } from '@/lib/response';
 import { QueryFilters } from '@/lib/types';
 import { getWebsiteSegment } from '@/queries';
 import { z } from 'zod/v4';
+import { filtersArrayToObject } from '@/lib/params';
 
 export async function parseRequest(
   request: Request,
@@ -103,36 +104,31 @@ export async function getQueryFilters(
       const segmentParams = (await getWebsiteSegment(websiteId, params.segment))
         ?.parameters as Record<string, any>;
 
-      Object.assign(filters, segmentParams.filters);
+      Object.assign(filters, filtersArrayToObject(segmentParams.filters));
     }
 
     if (params.cohort) {
       const cohortParams = (await getWebsiteSegment(websiteId, params.cohort))
         ?.parameters as Record<string, any>;
 
-      // convert dateRange to startDate and endDate
-      if (cohortParams.dateRange) {
-        const { startDate, endDate } = parseDateRange(cohortParams.dateRange);
-        cohortParams.startDate = startDate;
-        cohortParams.endDate = endDate;
-        delete cohortParams.dateRange;
-      }
+      const { startDate, endDate } = parseDateRange(cohortParams.dateRange);
 
-      if (cohortParams.filters) {
-        Object.assign(cohortParams, cohortParams.filters);
-        delete cohortParams.filters;
-      }
+      const cohortFilters = cohortParams.filters.map(({ name, ...props }) => ({
+        ...props,
+        name: `cohort_${name}`,
+      }));
 
-      Object.assign(
-        filters,
-        Object.fromEntries(
-          Object.entries(cohortParams || {}).map(([key, value]) =>
-            key === 'startDate' || key === 'endDate'
-              ? [`cohort_${key}`, new Date(value)]
-              : [`cohort_${key}`, value],
-          ),
-        ),
-      );
+      cohortFilters.push({
+        name: cohortParams.action.type,
+        operator: 'eq',
+        value: cohortParams.action.value,
+      });
+
+      Object.assign(filters, {
+        ...filtersArrayToObject(cohortFilters),
+        cohort_startDate: startDate,
+        cohort_endDate: endDate,
+      });
     }
   }
 
diff --git a/src/lib/types.ts b/src/lib/types.ts
index 6fdbfde7..cb000406 100644
--- a/src/lib/types.ts
+++ b/src/lib/types.ts
@@ -29,6 +29,8 @@ export interface Filter {
   operator: string;
   value: string;
   type?: string;
+  columns?: string;
+  prefix?: string;
 }
 
 export interface DateRange {