diff --git a/ecrire/optimiser.php3 b/ecrire/optimiser.php3
index 11a38efff528ab5788de050cd1cb5d1725f7a485..c03f938220f86832cc46410262a0e074a83e253e 100644
--- a/ecrire/optimiser.php3
+++ b/ecrire/optimiser.php3
@@ -143,7 +143,7 @@ function optimiser_base() {
 		$query = "DELETE FROM spip_forum WHERE id_parent NOT IN (0,$forums)";
 		spip_query($query);
 
-		spip_query("DELETE FROM spip_forum WHERE statut='redac' AND  date_time<DATE_SUB(NOW(),INTERVAL 1 DAY)");
+		spip_query("DELETE FROM spip_forum WHERE statut='redac' AND  date_heure<DATE_SUB(NOW(),INTERVAL 1 DAY)");
 
 	}