diff --git a/amethyst/src/main/java/com/vitorpamplona/amethyst/model/Account.kt b/amethyst/src/main/java/com/vitorpamplona/amethyst/model/Account.kt
index 19030c9a9..a92fa6138 100644
--- a/amethyst/src/main/java/com/vitorpamplona/amethyst/model/Account.kt
+++ b/amethyst/src/main/java/com/vitorpamplona/amethyst/model/Account.kt
@@ -1822,17 +1822,41 @@ class Account(
         if (!isWriteable()) return
 
         val oldList = oldBookmarkState.getBookmarkList() ?: return
-        val publicBookmarks = oldList.publicBookmarks()
-        val privateBookmarks = oldList.privateBookmarks(signer) ?: emptyList()
+        val oldPublic = oldList.publicBookmarks()
+        val oldPrivate = oldList.privateBookmarks(signer) ?: emptyList()
 
-        if (publicBookmarks.isEmpty() && privateBookmarks.isEmpty()) return
+        if (oldPublic.isEmpty() && oldPrivate.isEmpty()) return
+
+        val existingNewList = bookmarkState.getBookmarkList()
 
         val newEvent =
-            BookmarkListEvent.create(
-                publicBookmarks = publicBookmarks,
-                privateBookmarks = privateBookmarks,
-                signer = signer,
-            )
+            if (existingNewList != null) {
+                val existingPublic = existingNewList.publicBookmarks()
+                val existingPrivate = existingNewList.privateBookmarks(signer) ?: emptyList()
+
+                val existingPublicIds = existingPublic.map { it.toTagIdOnly().toList() }.toSet()
+                val existingPrivateIds = existingPrivate.map { it.toTagIdOnly().toList() }.toSet()
+
+                val newPublic = oldPublic.filter { it.toTagIdOnly().toList() !in existingPublicIds }
+                val newPrivate = oldPrivate.filter { it.toTagIdOnly().toList() !in existingPrivateIds }
+
+                if (newPublic.isEmpty() && newPrivate.isEmpty()) return
+
+                val mergedPublic = existingPublic + newPublic
+                val mergedPrivate = existingPrivate + newPrivate
+
+                BookmarkListEvent.create(
+                    publicBookmarks = mergedPublic,
+                    privateBookmarks = mergedPrivate,
+                    signer = signer,
+                )
+            } else {
+                BookmarkListEvent.create(
+                    publicBookmarks = oldPublic,
+                    privateBookmarks = oldPrivate,
+                    signer = signer,
+                )
+            }
 
         sendMyPublicAndPrivateOutbox(newEvent)
     }
diff --git a/amethyst/src/main/java/com/vitorpamplona/amethyst/model/LocalCache.kt b/amethyst/src/main/java/com/vitorpamplona/amethyst/model/LocalCache.kt
index fa616af96..b948f67cb 100644
--- a/amethyst/src/main/java/com/vitorpamplona/amethyst/model/LocalCache.kt
+++ b/amethyst/src/main/java/com/vitorpamplona/amethyst/model/LocalCache.kt
@@ -581,7 +581,6 @@ object LocalCache : ILocalCache, ICacheProvider {
         return false
     }
 
-
     fun consumeRegularEvent(
         event: Event,
         relay: NormalizedRelayUrl?,