diff --git a/amethyst/src/main/java/com/vitorpamplona/amethyst/ui/screen/loggedIn/profile/followers/dal/UserProfileFollowersUserFeedViewModel.kt b/amethyst/src/main/java/com/vitorpamplona/amethyst/ui/screen/loggedIn/profile/followers/dal/UserProfileFollowersUserFeedViewModel.kt
index d931e2cdc..122ec9654 100644
--- a/amethyst/src/main/java/com/vitorpamplona/amethyst/ui/screen/loggedIn/profile/followers/dal/UserProfileFollowersUserFeedViewModel.kt
+++ b/amethyst/src/main/java/com/vitorpamplona/amethyst/ui/screen/loggedIn/profile/followers/dal/UserProfileFollowersUserFeedViewModel.kt
@@ -54,8 +54,8 @@ class UserProfileFollowersUserFeedViewModel(
             { it.pubkeyHex },
         )
 
-    fun List<Event>.toNonHiddenOwners(): List<User> =
-        mapNotNull { event ->
+    fun List<Event>.toNonHiddenOwners(): Set<User> =
+        mapNotNullTo(mutableSetOf()) { event ->
             if (!account.isHidden(event.pubKey)) {
                 account.cache.getOrCreateUser(event.pubKey)
             } else {