diff --git a/rootfs/etc/cont-init.d/03-config.sh b/rootfs/etc/cont-init.d/03-config.sh
index cbf8ed2a..0cad4f13 100644
--- a/rootfs/etc/cont-init.d/03-config.sh
+++ b/rootfs/etc/cont-init.d/03-config.sh
@@ -165,15 +165,15 @@ cat > ${LIBRENMS_PATH}/config.d/active_directory.php <<EOL
 \$config['auth_ad_url'] = '$AUTH_AD_URL';
 \$config['auth_ad_domain'] = '$AUTH_AD_DOMAIN';
 \$config['auth_ad_base_dn'] = '$AUTH_AD_BASE_DN';
-\$config['auth_ad_check_certificates'] = '$AUTH_AD_CHECK_CERTIFICATES';
+\$config['auth_ad_check_certificates'] = $AUTH_AD_CHECK_CERTIFICATES;
 \$config['auth_ad_biduser'] = '$AUTH_AD_BINDUSER';
 \$config['auth_ad_bidpassword'] = '$AUTH_AD_BINDPASSWORD';
-\$config['auth_ad_timeout'] = '$AUTH_AD_TIMEOUT';
-\$config['auth_ad_debug'] = '$AUTH_AD_DEBUG';
-\$config['auth_ad_require_groupmembership'] = '$AUTH_AD_REQUIRE_GROUPMEMBERSHIP';
+\$config['auth_ad_timeout'] = $AUTH_AD_TIMEOUT;
+\$config['auth_ad_debug'] = $AUTH_AD_DEBUG;
+\$config['auth_ad_require_groupmembership'] = $AUTH_AD_REQUIRE_GROUPMEMBERSHIP;
 \$config['auth_ad_groups']['$AUTH_AD_GROUP_AD_ADMINGROUP']['level'] = 10;
 \$config['auth_ad_groups']['$AUTH_AD_GROUP_AD_USERGROUP']['level'] = 5;
-\$config['active_directory_users_purge'] = '$ACTIVE_DIRECTORY_USERS_PURGE';
+\$config['active_directory_users_purge'] = $ACTIVE_DIRECTORY_USERS_PURGE;
 EOL
 
 # Config : Directories