diff --git a/frontend/src/components/project/partials/FilterInput.vue b/frontend/src/components/project/partials/FilterInput.vue
index c335c80ca..f6b1f8a79 100644
--- a/frontend/src/components/project/partials/FilterInput.vue
+++ b/frontend/src/components/project/partials/FilterInput.vue
@@ -13,11 +13,11 @@ import ProjectUserService from '@/services/projectUsers'
 import {useProjectStore} from '@/stores/projects'
 
 const {
-	projectId,
 	modelValue,
+	projectId,
 } = defineProps<{
-	projectId?: number,
 	modelValue: string,
+	projectId?: number,
 }>()
 
 const emit = defineEmits(['update:modelValue'])
diff --git a/frontend/src/components/project/partials/filter-popup.vue b/frontend/src/components/project/partials/filter-popup.vue
index aec51390b..b523a887a 100644
--- a/frontend/src/components/project/partials/filter-popup.vue
+++ b/frontend/src/components/project/partials/filter-popup.vue
@@ -34,29 +34,24 @@ import {computed, ref, watch} from 'vue'
 
 import Filters from '@/components/project/partials/filters.vue'
 
-import {getDefaultParams} from '@/composables/useTaskList'
+import {getDefaultTaskFilterParams, type TaskFilterParams} from '@/services/taskCollection'
 
-const props = defineProps({
-	modelValue: {
-		required: true,
-	},
-})
-const emit = defineEmits(['update:modelValue'])
+const modelValue = defineModel<TaskFilterParams>()
 
-const value = computed({
+const value = computed<TaskFilterParams>({
 	get() {
-		return props.modelValue
+		return modelValue.value
 	},
 	set(value) {
-		if(props.modelValue === value) {
+		if(modelValue === value) {
 			return
 		}
-		emit('update:modelValue', value)
+		modelValue.value = value
 	},
 })
 
 watch(
-	() => props.modelValue,
+	() => modelValue,
 	(modelValue) => {
 		value.value = modelValue
 	},
@@ -66,15 +61,12 @@ watch(
 const hasFilters = computed(() => {
 	// this.value also contains the page parameter which we don't want to include in filters
 	// eslint-disable-next-line no-unused-vars
-	const {filter_by, filter_value, filter_comparator, filter_concat, s} = value.value
-	const def = {...getDefaultParams()}
+	const {filter, s} = value.value
+	const def = {...getDefaultTaskFilterParams()}
 
-	const params = {filter_by, filter_value, filter_comparator, filter_concat, s}
+	const params = {filter, s}
 	const defaultParams = {
-		filter_by: def.filter_by,
-		filter_value: def.filter_value,
-		filter_comparator: def.filter_comparator,
-		filter_concat: def.filter_concat,
+		filter: def.filter,
 		s: s ? def.s : undefined,
 	}
 
@@ -84,7 +76,7 @@ const hasFilters = computed(() => {
 const modalOpen = ref(false)
 
 function clearFilters() {
-	value.value = {...getDefaultParams()}
+	value.value = {...getDefaultTaskFilterParams()}
 }
 </script>
 
diff --git a/frontend/src/composables/useTaskList.ts b/frontend/src/composables/useTaskList.ts
index e1be96460..51e874c4d 100644
--- a/frontend/src/composables/useTaskList.ts
+++ b/frontend/src/composables/useTaskList.ts
@@ -2,7 +2,7 @@ import {ref, shallowReactive, watch, computed, type ComputedGetter} from 'vue'
 import {useRoute} from 'vue-router'
 import {useRouteQuery} from '@vueuse/router'
 
-import TaskCollectionService from '@/services/taskCollection'
+import TaskCollectionService, {getDefaultTaskFilterParams} from '@/services/taskCollection'
 import type {ITask} from '@/modelTypes/ITask'
 import {error} from '@/message'
 import type {IProject} from '@/modelTypes/IProject'
@@ -24,16 +24,6 @@ export interface SortBy {
 	done_at?: Order,
 }
 
-// FIXME: merge with DEFAULT_PARAMS in filters.vue
-export const getDefaultParams = () => ({
-	sort_by: ['position', 'id'],
-	order_by: ['asc', 'desc'],
-	filter_by: ['done'],
-	filter_value: ['false'],
-	filter_comparator: ['equals'],
-	filter_concat: 'and',
-})
-
 const SORT_BY_DEFAULT: SortBy = {
 	id: 'desc',
 }
@@ -67,7 +57,7 @@ export function useTaskList(projectIdGetter: ComputedGetter<IProject['id']>, sor
 	
 	const projectId = computed(() => projectIdGetter())
 	
-	const params = ref({...getDefaultParams()})
+	const params = ref({...getDefaultTaskFilterParams()})
 	
 	const search = ref('')
 	const page = useRouteQuery('page', '1', { transform: Number })
diff --git a/frontend/src/services/taskCollection.ts b/frontend/src/services/taskCollection.ts
index 14abe9a3c..0c8a13f06 100644
--- a/frontend/src/services/taskCollection.ts
+++ b/frontend/src/services/taskCollection.ts
@@ -4,13 +4,23 @@ import TaskModel from '@/models/task'
 import type {ITask} from '@/modelTypes/ITask'
 
 export interface TaskFilterParams {
-	sort_by: ('start_date' | 'done' | 'id')[],
+	sort_by: ('start_date' | 'done' | 'id' | 'position')[],
 	order_by: ('asc' | 'desc')[],
 	filter: string,
 	filter_include_nulls: boolean,
 	s: string,
 }
 
+export function getDefaultTaskFilterParams(): TaskFilterParams {
+	return {
+		sort_by: ['position', 'id'],
+		order_by: ['asc', 'desc'],
+		filter: '',
+		filter_include_nulls: false,
+		s: '',
+	}
+}
+
 export default class TaskCollectionService extends AbstractService<ITask> {
 	constructor() {
 		super({