diff --git a/htdocs/societe/list.php b/htdocs/societe/list.php
index f79857d744f..0a3e9207a96 100644
--- a/htdocs/societe/list.php
+++ b/htdocs/societe/list.php
@@ -467,10 +467,10 @@ if ($search_sale && $search_sale != '-1') {
 	$sql .= ", sc.fk_soc, sc.fk_user";
 }
 // We'll need these fields in order to filter by categ
-if ($search_categ_cus) {
+if ($search_categ_cus && $search_categ_cus!=-1) {
 	$sql .= ", cc.fk_categorie, cc.fk_soc";
 }
-if ($search_categ_sup) {
+if ($search_categ_sup && $search_categ_sup!=-1) {
 	$sql .= ", cs.fk_categorie, cs.fk_soc";
 }
 // Add fields from extrafields
@@ -494,10 +494,10 @@ $sql .= " LEFT JOIN ".MAIN_DB_PREFIX."c_effectif as staff on (staff.id = s.fk_ef
 $sql .= " LEFT JOIN ".MAIN_DB_PREFIX."c_departements as state on (state.rowid = s.fk_departement)";
 $sql .= " LEFT JOIN ".MAIN_DB_PREFIX."c_regions as region on (region.	code_region = state.fk_region)";
 // We'll need this table joined to the select in order to filter by categ
-if (!empty($search_categ_cus)) {
+if (!empty($search_categ_cus) && $search_categ_cus!=-1) {
 	$sql .= ' LEFT JOIN '.MAIN_DB_PREFIX."categorie_societe as cc ON s.rowid = cc.fk_soc"; // We'll need this table joined to the select in order to filter by categ
 }
-if (!empty($search_categ_sup)) {
+if (!empty($search_categ_sup) && $search_categ_sup!=-1) {
 	$sql .= ' LEFT JOIN '.MAIN_DB_PREFIX."categorie_fournisseur as cs ON s.rowid = cs.fk_soc"; // We'll need this table joined to the select in order to filter by categ
 }
 $sql .= ' LEFT JOIN '.MAIN_DB_PREFIX."c_stcomm as st ON s.fk_stcomm = st.id";