diff --git a/matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/session/room/poll/DefaultPollHistoryService.kt b/matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/session/room/poll/DefaultPollHistoryService.kt
index 0f57b81cb8..2fb63ef90e 100644
--- a/matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/session/room/poll/DefaultPollHistoryService.kt
+++ b/matrix-sdk-android/src/main/java/org/matrix/android/sdk/internal/session/room/poll/DefaultPollHistoryService.kt
@@ -128,6 +128,7 @@ internal class DefaultPollHistoryService @AssistedInject constructor(
 
         return Transformations.map(eventsLiveData) { events ->
             events.filter { it.root.getClearType() in EventType.POLL_START.values }
+                    .distinctBy { it.eventId }
         }
     }