diff --git a/conf/.env b/conf/.env
index e0f110b..c15f697 100644
--- a/conf/.env
+++ b/conf/.env
@@ -14,6 +14,8 @@ OCIS_BASE_DATA_PATH=__DATA_DIR__
 
 OCIS_DEFAULT_LANGUAGE=__LANGUAGE__
 
+#OCIS_EXCLUDE_RUN_SERVICES=thumbnails
+
 #AUTH_BASIC_AUTH_MANAGER=ldap
 #OCIS_LDAP_URI=ldap://127.0.0.1:389
 #OCIS_LDAP_USER_BASE_DN='ou=users,dc=yunohost,dc=org'