diff --git a/ecrire/genie/optimiser.php b/ecrire/genie/optimiser.php
index a6e031bac6e06a53f477fba63bf9504f85fc6598..623530d329dd0859a110258d7c3f2338f259dec8 100644
--- a/ecrire/genie/optimiser.php
+++ b/ecrire/genie/optimiser.php
@@ -12,6 +12,8 @@
 
 if (!defined("_ECRIRE_INC_VERSION")) return;
 
+include_spip('base/abstract_sql');
+
 function genie_optimiser_dist($t) {
 
 	optimiser_base_une_table();