diff --git a/app/src/main/java/sh/sar/basedbank/ui/home/NotificationsSheetFragment.kt b/app/src/main/java/sh/sar/basedbank/ui/home/NotificationsSheetFragment.kt
index 0342d80..83b0cfc 100644
--- a/app/src/main/java/sh/sar/basedbank/ui/home/NotificationsSheetFragment.kt
+++ b/app/src/main/java/sh/sar/basedbank/ui/home/NotificationsSheetFragment.kt
@@ -172,20 +172,28 @@ class NotificationsSheetFragment : BottomSheetDialogFragment() {
 
             val mibClient = MibActivityHistoryClient()
             mibSessions.forEach { (loginId, session) ->
+                val cachedIds = allNotifications
+                    .filter { it.bank == "MIB" && it.loginId == loginId }
+                    .map { it.id }.toSet()
                 val result = withContext(Dispatchers.IO) {
-                    mibClient.fetchUntilEnough(session, loginId)
+                    mibClient.fetchActivity(session, loginId, 1, 100)
                 }
-                if (result.items.isNotEmpty() && isAdded) {
+                if (isAdded) {
                     val readIds = NotificationsCache.getMibReadIds(requireContext())
-                    val resolved = result.items.map { it.copy(isRead = it.id in readIds) }
-                    allNotifications.removeAll { it.bank == "MIB" && it.loginId == loginId }
-                    allNotifications.addAll(resolved)
-                    allNotifications.sortByDescending { it.timestampMs }
+                    val hasOverlap = cachedIds.isNotEmpty() && result.items.any { it.id in cachedIds }
+                    val newItems = result.items
+                        .filter { it.id !in cachedIds }
+                        .map { it.copy(isRead = it.id in readIds) }
+                    if (newItems.isNotEmpty()) {
+                        allNotifications.addAll(newItems)
+                        allNotifications.sortByDescending { it.timestampMs }
+                        val allForLogin = allNotifications.filter { it.bank == "MIB" && it.loginId == loginId }
+                        NotificationsCache.saveMib(requireContext(), loginId, allForLogin)
+                        refreshAdapters()
+                        broadcastUnread()
+                    }
                     mibNextStart[loginId] = result.nextStart
-                    mibDone[loginId] = result.nextStart > result.totalCount
-                    NotificationsCache.saveMib(requireContext(), loginId, result.items)
-                    refreshAdapters()
-                    broadcastUnread()
+                    mibDone[loginId] = hasOverlap || result.nextStart > result.totalCount
                 }
             }
         }
@@ -221,19 +229,28 @@ class NotificationsSheetFragment : BottomSheetDialogFragment() {
             val mibClient = MibActivityHistoryClient()
             mibSessions.forEach { (loginId, session) ->
                 if (mibDone[loginId] == true) return@forEach
-                val start = mibNextStart[loginId] ?: 1
-                val result = withContext(Dispatchers.IO) {
-                    mibClient.fetchActivity(session, loginId, start, start + 99)
-                }
-                if (result.items.isNotEmpty() && isAdded) {
+                while (mibDone[loginId] != true && isAdded) {
+                    val start = mibNextStart[loginId] ?: 101
+                    val cachedIds = allNotifications
+                        .filter { it.bank == "MIB" && it.loginId == loginId }
+                        .map { it.id }.toSet()
+                    val result = withContext(Dispatchers.IO) {
+                        mibClient.fetchActivity(session, loginId, start, start + 99)
+                    }
+                    if (result.rawCount == 0) break
                     val readIds = NotificationsCache.getMibReadIds(requireContext())
-                    val resolved = result.items.map { it.copy(isRead = it.id in readIds) }
-                    allNotifications.addAll(resolved.filter { n -> allNotifications.none { it.id == n.id } })
-                    allNotifications.sortByDescending { it.timestampMs }
+                    val newItems = result.items
+                        .filter { it.id !in cachedIds }
+                        .map { it.copy(isRead = it.id in readIds) }
+                    if (newItems.isNotEmpty()) {
+                        allNotifications.addAll(newItems)
+                        allNotifications.sortByDescending { it.timestampMs }
+                        val allForLogin = allNotifications.filter { it.bank == "MIB" && it.loginId == loginId }
+                        NotificationsCache.saveMib(requireContext(), loginId, allForLogin)
+                    }
                     mibNextStart[loginId] = result.nextStart
                     mibDone[loginId] = result.nextStart > result.totalCount
-                    val allForLogin = allNotifications.filter { it.bank == "MIB" && it.loginId == loginId }
-                    NotificationsCache.saveMib(requireContext(), loginId, allForLogin)
+                    if (newItems.isNotEmpty()) break
                 }
             }