diff --git a/htdocs/core/login/functions_dolibarr.php b/htdocs/core/login/functions_dolibarr.php
index 610072aa35a..990390235a7 100644
--- a/htdocs/core/login/functions_dolibarr.php
+++ b/htdocs/core/login/functions_dolibarr.php
@@ -124,7 +124,7 @@ function check_user_password_dolibarr($usertotest, $passwordtotest, $entitytotes
 				if ($passok) {
 					$login = $obj->login;
 				} else {
-					sleep(2); // Anti brut force protection
+					sleep(1); // Anti brut force protection
 					dol_syslog("functions_dolibarr::check_user_password_dolibarr Authentication KO bad password for '".$usertotest."', cryptType=".$cryptType, LOG_NOTICE);
 
 					// Load translation files required by the page
diff --git a/htdocs/core/login/functions_ldap.php b/htdocs/core/login/functions_ldap.php
index e9785ce82a8..3f217573b18 100644
--- a/htdocs/core/login/functions_ldap.php
+++ b/htdocs/core/login/functions_ldap.php
@@ -267,7 +267,7 @@ function check_user_password_ldap($usertotest, $passwordtotest, $entitytotest)
 				$ldap->ldapErrorText = ldap_error($ldap->connection);
 				dol_syslog("functions_ldap::check_user_password_ldap ".$ldap->ldapErrorCode." ".$ldap->ldapErrorText);
 			}
-			sleep(2); // Anti brut force protection
+			sleep(1); // Anti brut force protection
 
 			// Load translation files required by the page
 			$langs->loadLangs(array('main', 'other', 'errors'));