diff --git a/README.md b/README.md
--- a/README.md
+++ b/README.md
@@ -96,7 +96,7 @@
 
 - Check for new elements without executing any action:
   ```bash
-  imm run --no-callbacks --read-only
+  imm --read-only run --no-callbacks
   ```
 
 - Execute configured callbacks for each new element from subscribed feeds:
diff --git a/imm.cabal b/imm.cabal
--- a/imm.cabal
+++ b/imm.cabal
@@ -1,6 +1,6 @@
 cabal-version:       2.2
 name:                imm
-version:             1.6.0.0
+version:             1.6.1.0
 synopsis:            Execute arbitrary callbacks for each element of RSS/Atom feeds
 description:         Cf README file
 homepage:            https://github.com/k0ral/imm
diff --git a/src/lib/Imm/Database/FeedTable.hs b/src/lib/Imm/Database/FeedTable.hs
--- a/src/lib/Imm/Database/FeedTable.hs
+++ b/src/lib/Imm/Database/FeedTable.hs
@@ -198,6 +198,12 @@
     , entryReadHashes = mempty
     }
 
+listUnprocessedElements :: MonadThrow m 
+                        => Database.Handle m FeedTable -> FeedID -> m [FeedElement]
+listUnprocessedElements database feedID = do
+  DatabaseEntry{..} <- fetch database feedID
+  return $ Map.keys $ Map.filter not entryItems
+
 isRead :: MonadCatch m => Database.Handle m FeedTable -> FeedID -> FeedElement -> m Bool
 isRead database feedID element = do
   DatabaseEntry _ _ readHashes _ items lastUpdate <- Database.fetch database feedID
diff --git a/src/main/Main.hs b/src/main/Main.hs
--- a/src/main/Main.hs
+++ b/src/main/Main.hs
@@ -103,7 +103,8 @@
           feed <- HTTP.get logger httpClient uri >>= parseXml xmlParser uri
 
           unreadElements <- filterM (fmap not . isRead database feedID) $ getElements feed
-          forM_ unreadElements $ \element -> do
+          unprocessedElements <- listUnprocessedElements database feedID
+          forM_ (unprocessedElements <> unreadElements) $ \element -> do
             log logger Info $ "New item:" <+> magenta (pretty feedID) <+> "/" <+> yellow (pretty $ getTitle element)
             atomically $ do
               writeTMChan newItemsChan (feedID, removeElements feed, element)