diff --git a/ecrire/inc/invalideur.php b/ecrire/inc/invalideur.php
index 24b29014b48051b53122d4d1c1b635f54feefb67..35490f0aa6d5753cc340927eadbfd3a710b3bf22 100644
--- a/ecrire/inc/invalideur.php
+++ b/ecrire/inc/invalideur.php
@@ -153,7 +153,7 @@ function cron_invalideur($t) {
 
 	// A revoir: il semble y avoir une desynchro ici.
 	$s = spip_query("SELECT SUM(taille) AS n FROM spip_caches WHERE type IN ('t', 'x')");
-	$t = spip_fetch_array($t);
+	$t = spip_fetch_array($s);
 	$total_cache = $t['n'];
 	spip_log("Taille du CACHE: $total_cache octets");