diff --git a/C4/Letters.pm b/C4/Letters.pm
index aa823f420d..23b7fdd78e 100644
--- a/C4/Letters.pm
+++ b/C4/Letters.pm
@@ -1033,9 +1033,9 @@ sub _is_duplicate {
         WHERE message_transport_type = ?
         AND borrowernumber = ?
         AND letter_code = ?
-        AND CAST(time_queued AS date) = CAST(? AS date)
+        AND CAST(time_queued AS date) = CAST(NOW() AS date)
         AND status="sent"
-    |, {}, $message->{message_transport_type}, $message->{borrowernumber}, $message->{letter_code}, $message->{time_queued} );
+    |, {}, $message->{message_transport_type}, $message->{borrowernumber}, $message->{letter_code} );
     return $count;
 }