diff --git a/app/src/main/java/eu/faircode/email/FragmentMessages.java b/app/src/main/java/eu/faircode/email/FragmentMessages.java
index 335e4b0f84..5421b5efab 100644
--- a/app/src/main/java/eu/faircode/email/FragmentMessages.java
+++ b/app/src/main/java/eu/faircode/email/FragmentMessages.java
@@ -4737,8 +4737,7 @@ public class FragmentMessages extends FragmentBase implements SharedPreferences.
                 TupleMessageEx first = dups.get(0);
                 for (int i = 1; i < dups.size(); i++) {
                     TupleMessageEx dup = dups.get(i);
-                    if (!EntityFolder.USER.equals(dup.folderType) &&
-                            !Objects.equals(first.folderType, dup.folderType))
+                    if (!Objects.equals(first.folderType, dup.folderType))
                         dup.duplicate = true;
                 }
             }