diff --git a/resources/js/Components/Timesheet/TimesheetGrid.vue b/resources/js/Components/Timesheet/TimesheetGrid.vue
index 3d08f34f..c4774d06 100644
--- a/resources/js/Components/Timesheet/TimesheetGrid.vue
+++ b/resources/js/Components/Timesheet/TimesheetGrid.vue
@@ -123,6 +123,7 @@ const emit = defineEmits<{
                         :create-project="createProject"
                         :create-client="createClient"
                         :organization-billable-rate="organization?.billable_rate ?? null"
+                        :no-project-value="null"
                         @changed="(p, t) => emit('add-row', p, t)">
                         <template #trigger>
                             <Button variant="ghost" size="sm" class="text-text-secondary">
diff --git a/resources/js/Components/Timesheet/TimesheetRow.vue b/resources/js/Components/Timesheet/TimesheetRow.vue
index 26ceb7ec..f96b77e7 100644
--- a/resources/js/Components/Timesheet/TimesheetRow.vue
+++ b/resources/js/Components/Timesheet/TimesheetRow.vue
@@ -81,6 +81,7 @@ function hasRunningEntry(dayIndex: number): boolean {
                     :create-project="createProject"
                     :create-client="createClient"
                     :organization-billable-rate="organization?.billable_rate ?? null"
+                    :no-project-value="null"
                     variant="ghost"
                     size="sm"
                     class="w-full" />
diff --git a/resources/js/packages/ui/src/TimeTracker/TimeTrackerProjectTaskDropdown.test.ts b/resources/js/packages/ui/src/TimeTracker/TimeTrackerProjectTaskDropdown.test.ts
new file mode 100644
index 00000000..9068958e
--- /dev/null
+++ b/resources/js/packages/ui/src/TimeTracker/TimeTrackerProjectTaskDropdown.test.ts
@@ -0,0 +1,80 @@
+/* eslint-disable vue/one-component-per-file */
+import { mount } from '@vue/test-utils';
+import { describe, expect, it, vi } from 'vitest';
+import { defineComponent, h, nextTick, onMounted } from 'vue';
+import TimeTrackerProjectTaskDropdown from './TimeTrackerProjectTaskDropdown.vue';
+import type { Client, Project, Task } from '@/packages/api/src';
+
+const DropdownStub = defineComponent({
+    props: {
+        modelValue: {
+            type: Boolean,
+            default: false,
+        },
+    },
+    emits: ['update:modelValue'],
+    setup(_, { emit, slots }) {
+        onMounted(() => emit('update:modelValue', true));
+        return () => h('div', [slots.trigger?.(), slots.content?.()]);
+    },
+});
+
+const FocusTrapStub = defineComponent({
+    setup(_, { slots }) {
+        return () => h('div', slots.default?.());
+    },
+});
+
+function mountDropdown(props: Record<string, unknown> = {}) {
+    return mount(TimeTrackerProjectTaskDropdown, {
+        props: {
+            project: null,
+            task: null,
+            projects: [] as Project[],
+            tasks: [] as Task[],
+            clients: [] as Client[],
+            createProject: vi.fn(),
+            createClient: vi.fn(),
+            currency: 'EUR',
+            enableEstimatedTime: false,
+            organizationBillableRate: null,
+            canCreateProject: false,
+            ...props,
+        },
+        global: {
+            stubs: {
+                Dropdown: DropdownStub,
+                UseFocusTrap: FocusTrapStub,
+            },
+        },
+    });
+}
+
+async function openDropdown() {
+    const wrapper = mountDropdown();
+    await nextTick();
+    await nextTick();
+    return wrapper;
+}
+
+describe('TimeTrackerProjectTaskDropdown', () => {
+    it('keeps the existing empty-string no-project value by default', async () => {
+        const wrapper = await openDropdown();
+
+        await wrapper.find('[data-project-id=""]').trigger('click');
+
+        expect(wrapper.emitted('update:project')?.at(-1)).toEqual(['']);
+        expect(wrapper.emitted('changed')?.at(-1)).toEqual(['', null]);
+    });
+
+    it('can emit null for no-project consumers that use null as the domain value', async () => {
+        const wrapper = mountDropdown({ project: 'p-1', noProjectValue: null });
+        await nextTick();
+        await nextTick();
+
+        await wrapper.find('[data-project-id=""]').trigger('click');
+
+        expect(wrapper.emitted('update:project')?.at(-1)).toEqual([null]);
+        expect(wrapper.emitted('changed')?.at(-1)).toEqual([null, null]);
+    });
+});
diff --git a/resources/js/packages/ui/src/TimeTracker/TimeTrackerProjectTaskDropdown.vue b/resources/js/packages/ui/src/TimeTracker/TimeTrackerProjectTaskDropdown.vue
index 7e1e2f46..01808667 100644
--- a/resources/js/packages/ui/src/TimeTracker/TimeTrackerProjectTaskDropdown.vue
+++ b/resources/js/packages/ui/src/TimeTracker/TimeTrackerProjectTaskDropdown.vue
@@ -16,6 +16,8 @@ import ProjectCreateModal from '@/packages/ui/src/Project/ProjectCreateModal.vue
 import { twMerge } from 'tailwind-merge';
 import { Button } from '@/packages/ui/src/Buttons';
 
+const NO_PROJECT_ID = '';
+
 const task = defineModel<string | null>('task', {
     default: null,
 });
@@ -57,6 +59,7 @@ const props = withDefaults(
         currency: string;
         emptyPlaceholder?: string;
         allowReset?: boolean;
+        noProjectValue?: string | null;
         enableEstimatedTime: boolean;
         organizationBillableRate: number | null;
         canCreateProject: boolean;
@@ -68,6 +71,7 @@ const props = withDefaults(
     {
         emptyPlaceholder: 'No Project',
         allowReset: false,
+        noProjectValue: NO_PROJECT_ID,
         variant: 'ghost',
         align: 'center',
         size: 'sm',
@@ -164,10 +168,10 @@ function updateFilteredResults() {
             is_archived: false,
             projects: [
                 {
-                    id: '',
+                    id: NO_PROJECT_ID,
                     name: 'No Project',
                     color: 'var(--theme-color-icon-default)',
-                    value: '',
+                    value: NO_PROJECT_ID,
                     client_id: null,
                     billable_rate: null,
                     is_archived: false,
@@ -490,7 +494,7 @@ function selectTask(taskId: string) {
 }
 
 function selectProject(projectId: string) {
-    project.value = projectId;
+    project.value = projectId === NO_PROJECT_ID ? props.noProjectValue : projectId;
     task.value = null;
     open.value = false;
     searchValue.value = '';