diff --git a/amethyst/src/main/java/com/vitorpamplona/amethyst/ui/screen/loggedIn/chats/privateDM/send/IMetaAttachments.kt b/amethyst/src/main/java/com/vitorpamplona/amethyst/ui/screen/loggedIn/chats/privateDM/send/IMetaAttachments.kt
index bb4663297c..f23225595d 100644
--- a/amethyst/src/main/java/com/vitorpamplona/amethyst/ui/screen/loggedIn/chats/privateDM/send/IMetaAttachments.kt
+++ b/amethyst/src/main/java/com/vitorpamplona/amethyst/ui/screen/loggedIn/chats/privateDM/send/IMetaAttachments.kt
@@ -100,5 +100,5 @@ class IMetaAttachments {
         replace(iMeta.url, iMeta)
     }
 
-    fun filterIsIn(urls: Set<String>) = iMetaAttachments.filter { it.url !in urls }
+    fun filterIsIn(urls: Set<String>) = iMetaAttachments.filter { it.url in urls }
 }