diff --git a/changelog.d/3774.bugfix b/changelog.d/3774.bugfix
new file mode 100644
index 0000000000..9145771bae
--- /dev/null
+++ b/changelog.d/3774.bugfix
@@ -0,0 +1 @@
+Fixing notification sounds being triggered for every message, now they only trigger for the first, consistent with the vibrations
\ No newline at end of file
diff --git a/vector/src/main/java/im/vector/app/features/notifications/NotificationUtils.kt b/vector/src/main/java/im/vector/app/features/notifications/NotificationUtils.kt
index 14dfe5c6ee..92feb3d038 100755
--- a/vector/src/main/java/im/vector/app/features/notifications/NotificationUtils.kt
+++ b/vector/src/main/java/im/vector/app/features/notifications/NotificationUtils.kt
@@ -561,7 +561,7 @@ class NotificationUtils @Inject constructor(private val context: Context,
                 // TODO Group should be current user display name
                 .setGroup(stringProvider.getString(R.string.app_name))
                 // In order to avoid notification making sound twice (due to the summary notification)
-                .setGroupAlertBehavior(NotificationCompat.GROUP_ALERT_SUMMARY)
+                .setGroupAlertBehavior(NotificationCompat.GROUP_ALERT_ALL)
                 .setSmallIcon(smallIcon)
                 // Set primary color (important for Wear 2.0 Notifications).
                 .setColor(accentColor)
@@ -644,7 +644,7 @@ class NotificationUtils @Inject constructor(private val context: Context,
                 .setContentTitle(stringProvider.getString(R.string.app_name))
                 .setContentText(inviteNotifiableEvent.description)
                 .setGroup(stringProvider.getString(R.string.app_name))
-                .setGroupAlertBehavior(NotificationCompat.GROUP_ALERT_SUMMARY)
+                .setGroupAlertBehavior(NotificationCompat.GROUP_ALERT_ALL)
                 .setSmallIcon(smallIcon)
                 .setColor(accentColor)
                 .apply {
@@ -708,7 +708,7 @@ class NotificationUtils @Inject constructor(private val context: Context,
                 .setContentTitle(stringProvider.getString(R.string.app_name))
                 .setContentText(simpleNotifiableEvent.description)
                 .setGroup(stringProvider.getString(R.string.app_name))
-                .setGroupAlertBehavior(NotificationCompat.GROUP_ALERT_SUMMARY)
+                .setGroupAlertBehavior(NotificationCompat.GROUP_ALERT_ALL)
                 .setSmallIcon(smallIcon)
                 .setColor(accentColor)
                 .setAutoCancel(true)
@@ -801,6 +801,7 @@ class NotificationUtils @Inject constructor(private val context: Context,
         val smallIcon = R.drawable.ic_status_bar
 
         return NotificationCompat.Builder(context, if (noisy) NOISY_NOTIFICATION_CHANNEL_ID else SILENT_NOTIFICATION_CHANNEL_ID)
+                .setOnlyAlertOnce(true)
                 // used in compat < N, after summary is built based on child notifications
                 .setWhen(lastMessageTimestamp)
                 .setStyle(style)