diff --git a/frontend/src/components/misc/keyboard-shortcuts/shortcuts.ts b/frontend/src/components/misc/keyboard-shortcuts/shortcuts.ts
index 5ef093e5c..07c75f362 100644
--- a/frontend/src/components/misc/keyboard-shortcuts/shortcuts.ts
+++ b/frontend/src/components/misc/keyboard-shortcuts/shortcuts.ts
@@ -3,6 +3,7 @@ import type {RouteLocation} from 'vue-router'
 import {isAppleDevice} from '@/helpers/isAppleDevice'
 
 const ctrl = isAppleDevice() ? '⌘' : 'ctrl'
+const reminderModifier = isAppleDevice() ? 'shift' : 'alt'
 
 export interface Shortcut {
 	title: string
@@ -182,7 +183,7 @@ export const KEYBOARD_SHORTCUTS: ShortcutGroup[] = [
 			},
 			{
 				title: 'keyboardShortcuts.task.reminder',
-				keys: ['alt', 'r'],
+				keys: [reminderModifier, 'r'],
 			},
 			{
 				title: 'keyboardShortcuts.task.description',
diff --git a/frontend/src/views/tasks/TaskDetailView.vue b/frontend/src/views/tasks/TaskDetailView.vue
index 518f42d73..9c667db25 100644
--- a/frontend/src/views/tasks/TaskDetailView.vue
+++ b/frontend/src/views/tasks/TaskDetailView.vue
@@ -539,7 +539,7 @@
 							{{ $t('task.detail.actions.endDate') }}
 						</XButton>
 						<XButton
-							v-shortcut="'Alt+r'"
+							v-shortcut="reminderShortcut"
 							variant="secondary"
 							:icon="['far', 'clock']"
 							@click="setFieldActive('reminders')"
@@ -640,6 +640,7 @@ import Reactions from '@/components/input/Reactions.vue'
 
 import {uploadFile} from '@/helpers/attachments'
 import {getProjectTitle} from '@/helpers/getProjectTitle'
+import {isAppleDevice} from '@/helpers/isAppleDevice'
 import {scrollIntoView} from '@/helpers/scrollIntoView'
 import {TASK_REPEAT_MODES} from '@/types/IRepeatMode'
 import {playPopSound} from '@/helpers/playPop'
@@ -710,6 +711,10 @@ const lastProject = computed(() => {
 
 const lastProjectOrTaskProject = computed(() => lastProject.value ?? project.value)
 
+// Use Shift+R on macOS (Alt+R produces special characters depending on keyboard layout)
+// Use Alt+r on other platforms
+const reminderShortcut = computed(() => isAppleDevice() ? 'Shift+R' : 'Alt+r')
+
 onMounted(() => {
 	document.addEventListener('keydown', saveTaskViaHotkey)
 })