diff --git a/Wino.Mail.ViewModels/MailListPageViewModel.cs b/Wino.Mail.ViewModels/MailListPageViewModel.cs
index 79d63173..bb50f2fc 100644
--- a/Wino.Mail.ViewModels/MailListPageViewModel.cs
+++ b/Wino.Mail.ViewModels/MailListPageViewModel.cs
@@ -632,8 +632,8 @@ namespace Wino.Mail.ViewModels
             {
                 if (ActiveFolder == null) return;
 
-                // At least accounts must match.
-                if (!ActiveFolder.HandlingFolders.Any(a => a.MailAccountId != addedMail.AssignedAccount.Id)) return;
+                // At least one of the accounts we are listing must match with the account of the added mail.
+                if (!ActiveFolder.HandlingFolders.Any(a => a.MailAccountId == addedMail.AssignedAccount.Id)) return;
 
                 // Messages coming to sent or draft folder must be inserted regardless of the filter.
                 bool shouldPreventIgnoringFilter = addedMail.AssignedFolder.SpecialFolderType == SpecialFolderType.Draft ||