diff --git a/htdocs/install/repair.php b/htdocs/install/repair.php
index a36088815d5..edaca5acfb9 100644
--- a/htdocs/install/repair.php
+++ b/htdocs/install/repair.php
@@ -128,7 +128,7 @@ $conf->db->user = $dolibarr_main_db_user;
 $conf->db->pass = $dolibarr_main_db_pass;
 
 // For encryption
-$conf->db->dolibarr_main_db_encryption = isset($dolibarr_main_db_encryption) ? $dolibarr_main_db_encryption : '';
+$conf->db->dolibarr_main_db_encryption = isset($dolibarr_main_db_encryption) ? $dolibarr_main_db_encryption : 0;
 $conf->db->dolibarr_main_db_cryptkey = isset($dolibarr_main_db_cryptkey) ? $dolibarr_main_db_cryptkey : '';
 
 $db = getDoliDBInstance($conf->db->type, $conf->db->host, $conf->db->user, $conf->db->pass, $conf->db->name, (int) $conf->db->port);
diff --git a/htdocs/install/step5.php b/htdocs/install/step5.php
index e6da24464a6..4d8ca329baf 100644
--- a/htdocs/install/step5.php
+++ b/htdocs/install/step5.php
@@ -162,7 +162,7 @@ if ($action == "set" || empty($action) || preg_match('/upgrade/i', $action)) {
 	$conf->db->name = $dolibarr_main_db_name;
 	$conf->db->user = $dolibarr_main_db_user;
 	$conf->db->pass = $dolibarr_main_db_pass;
-	$conf->db->dolibarr_main_db_encryption = isset($dolibarr_main_db_encryption) ? $dolibarr_main_db_encryption : '';
+	$conf->db->dolibarr_main_db_encryption = isset($dolibarr_main_db_encryption) ? $dolibarr_main_db_encryption : 0;
 	$conf->db->dolibarr_main_db_cryptkey = isset($dolibarr_main_db_cryptkey) ? $dolibarr_main_db_cryptkey : '';
 
 	$db = getDoliDBInstance($conf->db->type, $conf->db->host, $conf->db->user, $conf->db->pass, $conf->db->name, (int) $conf->db->port);