diff --git a/android/app/src/main/java/com/scarriffle/calendarr/data/CalendarRepository.kt b/android/app/src/main/java/com/scarriffle/calendarr/data/CalendarRepository.kt
index f86ce54..7262385 100644
--- a/android/app/src/main/java/com/scarriffle/calendarr/data/CalendarRepository.kt
+++ b/android/app/src/main/java/com/scarriffle/calendarr/data/CalendarRepository.kt
@@ -357,7 +357,7 @@ class CalendarRepository @Inject constructor(
         val body = jsonBody("reminders_enabled" to enabled)
         when (source) {
             "caldav" -> api.updateCalDAVCalendar(calendarId, body).ensureSuccess()
-            "local" -> api.updateLocalCalendar(calendarId, body).ensureSuccess()
+            "local" -> api.setLocalCalendarReminders(calendarId, body).ensureSuccess()
             "ical" -> api.updateICalSubscription(calendarId, body).ensureSuccess()
             "google" -> api.updateGoogleCalendar(calendarId, body).ensureSuccess()
             "homeassistant" -> api.updateHACalendar(calendarId, body).ensureSuccess()
diff --git a/android/app/src/main/java/com/scarriffle/calendarr/data/remote/CalendarrApi.kt b/android/app/src/main/java/com/scarriffle/calendarr/data/remote/CalendarrApi.kt
index e841433..4f60a21 100644
--- a/android/app/src/main/java/com/scarriffle/calendarr/data/remote/CalendarrApi.kt
+++ b/android/app/src/main/java/com/scarriffle/calendarr/data/remote/CalendarrApi.kt
@@ -192,6 +192,11 @@ interface CalendarrApi {
     @PUT("api/local/calendars/{id}/color")
     suspend fun setLocalCalendarColor(@Path("id") id: Int, @Body body: RequestBody): Response<ResponseBody>
 
+    // Reminder-only update that works for owners AND share recipients
+    // (recipients get their own per-user mute; owners flip the calendar's flag).
+    @PUT("api/local/calendars/{id}/reminders")
+    suspend fun setLocalCalendarReminders(@Path("id") id: Int, @Body body: RequestBody): Response<ResponseBody>
+
     @DELETE("api/local/calendars/{id}")
     suspend fun deleteLocalCalendar(@Path("id") id: Int): Response<ResponseBody>
 
diff --git a/android/app/src/main/java/com/scarriffle/calendarr/ui/calendar/CalendarViewModel.kt b/android/app/src/main/java/com/scarriffle/calendarr/ui/calendar/CalendarViewModel.kt
index f888931..bb5a6d8 100644
--- a/android/app/src/main/java/com/scarriffle/calendarr/ui/calendar/CalendarViewModel.kt
+++ b/android/app/src/main/java/com/scarriffle/calendarr/ui/calendar/CalendarViewModel.kt
@@ -490,6 +490,11 @@ class CalendarViewModel @Inject constructor(
         val caldav = runCatching { repository.getCalDAVAccounts() }.getOrDefault(emptyList())
         val google = runCatching { repository.getGoogleAccounts() }.getOrDefault(emptyList())
         val ha = runCatching { repository.getHomeAssistantAccounts() }.getOrDefault(emptyList())
+        // Needed for the reminder flag, which exists on all five sources. A
+        // failed fetch yields an empty list, which simply reconciles nothing —
+        // never a wrongly cleared mute.
+        val local = runCatching { repository.getLocalCalendars() }.getOrDefault(emptyList())
+        val ical = runCatching { repository.getICalSubscriptions() }.getOrDefault(emptyList())
 
         val banished = settingsStore.banishedCalendarKeys.toMutableSet()
         fun apply(source: String, id: Int, serverHidden: Boolean) {
@@ -500,9 +505,25 @@ class CalendarViewModel @Inject constructor(
         google.forEach { acc -> acc.calendars?.forEach { apply("google", it.id, it.sidebarHidden) } }
         ha.forEach { acc -> acc.calendars?.forEach { apply("homeassistant", it.id, it.sidebarHidden) } }
 
-        if (banished == settingsStore.banishedCalendarKeys) return false
-        settingsStore.banishedCalendarKeys = banished
-        _state.update { it.copy(banishedKeys = banished) }
+        // Reminders were only ever pushed app -> server, so a mute set on the
+        // web or on iOS never arrived here.
+        val muted = settingsStore.reminderDisabledCalendarKeys.toMutableSet()
+        fun applyReminders(source: String, id: Int, enabled: Boolean) {
+            val key = calendarKey(source, id.toString())
+            if (enabled) muted.remove(key) else muted.add(key)
+        }
+        local.forEach { applyReminders("local", it.id, it.remindersEnabled) }
+        ical.forEach { applyReminders("ical", it.id, it.remindersEnabled) }
+        caldav.forEach { acc -> acc.calendars?.forEach { applyReminders("caldav", it.id, it.remindersEnabled) } }
+        google.forEach { acc -> acc.calendars?.forEach { applyReminders("google", it.id, it.remindersEnabled) } }
+        ha.forEach { acc -> acc.calendars?.forEach { applyReminders("homeassistant", it.id, it.remindersEnabled) } }
+
+        val banishedChanged = banished != settingsStore.banishedCalendarKeys
+        val mutedChanged = muted != settingsStore.reminderDisabledCalendarKeys
+        if (!banishedChanged && !mutedChanged) return false
+        if (banishedChanged) settingsStore.banishedCalendarKeys = banished
+        if (mutedChanged) settingsStore.reminderDisabledCalendarKeys = muted
+        _state.update { it.copy(banishedKeys = banished, reminderDisabledKeys = muted) }
         return true
     }
 
diff --git a/android/app/src/main/java/com/scarriffle/calendarr/ui/event/EventEditorSheet.kt b/android/app/src/main/java/com/scarriffle/calendarr/ui/event/EventEditorSheet.kt
index 734f52b..039ef83 100644
--- a/android/app/src/main/java/com/scarriffle/calendarr/ui/event/EventEditorSheet.kt
+++ b/android/app/src/main/java/com/scarriffle/calendarr/ui/event/EventEditorSheet.kt
@@ -473,8 +473,10 @@ private fun ReminderRow(
     }
 }
 
-/** Mirrors the server allowlist. "*/*" is deliberately absent — the picker
- *  should not offer files the upload would reject. */
+// Mirrors the server allowlist. The catch-all wildcard type is deliberately
+// absent — the picker should not offer files the upload would reject.
+// (Written as line comments: spelling that wildcard inside a block comment
+// closes it early, which is what used to break this file.)
 private val ATTACHMENT_MIME_TYPES = arrayOf(
     "application/pdf",
     "image/png", "image/jpeg", "image/webp", "image/gif",