diff --git a/htdocs/datapolicy/class/actions_datapolicy.class.php b/htdocs/datapolicy/class/actions_datapolicy.class.php
index 481c3b08d09..0e30db94d84 100644
--- a/htdocs/datapolicy/class/actions_datapolicy.class.php
+++ b/htdocs/datapolicy/class/actions_datapolicy.class.php
@@ -127,6 +127,7 @@ class ActionsDatapolicy extends CommonHookActions
 
 					setEventMessages($langs->trans('ANONYMISER_SUCCESS'), array());
 					header('Location:'.$_SERVER["PHP_SELF"]."?socid=".$object->id);
+					exit;
 				}
 			}
 		} elseif ($parameters['currentcontext'] == 'contactcard' && $action == 'send_datapolicy') {
diff --git a/htdocs/main.inc.php b/htdocs/main.inc.php
index aa77b21c930..f923b9466a9 100644
--- a/htdocs/main.inc.php
+++ b/htdocs/main.inc.php
@@ -987,8 +987,8 @@ if (!defined('NOLOGIN')) {
 					// Account has been removed after login
 					dol_syslog("Can't load user even if session logged. _SESSION['dol_login']=".$login, LOG_WARNING);
 			} elseif ($user->flagdelsessionsbefore && !empty($_SESSION["dol_logindate"]) && $user->flagdelsessionsbefore > $_SESSION["dol_logindate"]) {
-						// Session is no more valid
-							dol_syslog("The user has a date for session invalidation = ".$user->flagdelsessionsbefore." and a session date = ".$_SESSION["dol_logindate"].". We must invalidate its sessions.");
+					// Session is no more valid
+					dol_syslog("The user has a date for session invalidation = ".$user->flagdelsessionsbefore." and a session date = ".$_SESSION["dol_logindate"].". We must invalidate its sessions.");
 			} elseif ($user->status != $user::STATUS_ENABLED) {
 				// User is not enabled
 				dol_syslog("The user login is disabled");
@@ -996,10 +996,10 @@ if (!defined('NOLOGIN')) {
 				// User validity dates are no more valid
 				dol_syslog("The user login has a validity between [".$user->datestartvalidity." and ".$user->dateendvalidity."], curren date is ".dol_now());
 			}
-							session_destroy();
-							session_set_cookie_params(0, '/', null, (empty($dolibarr_main_force_https) ? false : true), true); // Add tag secure and httponly on session cookie
-							session_name($sessionname);
-							session_start();
+			session_destroy();
+			session_set_cookie_params(0, '/', null, (empty($dolibarr_main_force_https) ? false : true), true); // Add tag secure and httponly on session cookie
+			session_name($sessionname);
+			session_start();
 
 			if ($resultFetchUser == 0) {
 				$langs->loadLangs(array('main', 'errors'));
@@ -1019,23 +1019,23 @@ if (!defined('NOLOGIN')) {
 				$user->context['audit'] = 'ErrorUserSessionWasInvalidated - login='.$login;
 			}
 
-							// Call trigger
-							$result = $user->call_trigger('USER_LOGIN_FAILED', $user);
+			// Call trigger
+			$result = $user->call_trigger('USER_LOGIN_FAILED', $user);
 			if ($result < 0) {
 				$error++;
 			}
-							// End call triggers
+			// End call triggers
 
-							// Hooks on failed login
-							$action = '';
-							$hookmanager->initHooks(array('login'));
-							$parameters = array('dol_authmode' => (isset($dol_authmode) ? $dol_authmode : ''), 'dol_loginmesg' => $_SESSION["dol_loginmesg"]);
-							$reshook = $hookmanager->executeHooks('afterLoginFailed', $parameters, $user, $action); // Note that $action and $object may have been modified by some hooks
+			// Hooks on failed login
+			$action = '';
+			$hookmanager->initHooks(array('login'));
+			$parameters = array('dol_authmode' => (isset($dol_authmode) ? $dol_authmode : ''), 'dol_loginmesg' => $_SESSION["dol_loginmesg"]);
+			$reshook = $hookmanager->executeHooks('afterLoginFailed', $parameters, $user, $action); // Note that $action and $object may have been modified by some hooks
 			if ($reshook < 0) {
 				$error++;
 			}
 
-							$paramsurl = array();
+			$paramsurl = array();
 			if (GETPOST('textbrowser', 'int')) {
 				$paramsurl[] = 'textbrowser='.GETPOST('textbrowser', 'int');
 			}
@@ -1045,8 +1045,9 @@ if (!defined('NOLOGIN')) {
 			if (GETPOST('lang', 'aZ09')) {
 				$paramsurl[] = 'lang='.GETPOST('lang', 'aZ09');
 			}
-							header('Location: '.DOL_URL_ROOT.'/index.php'.(count($paramsurl) ? '?'.implode('&', $paramsurl) : ''));
-							exit;
+
+			header('Location: '.DOL_URL_ROOT.'/index.php'.(count($paramsurl) ? '?'.implode('&', $paramsurl) : ''));
+			exit;
 		} else {
 			// Initialize technical object to manage hooks of page. Note that conf->hooks_modules contains array of hook context
 			$hookmanager->initHooks(array('main'));
diff --git a/htdocs/opensurvey/results.php b/htdocs/opensurvey/results.php
index 2656500fbc3..46d41906627 100644
--- a/htdocs/opensurvey/results.php
+++ b/htdocs/opensurvey/results.php
@@ -165,6 +165,7 @@ if (GETPOST("ajoutercolonne") && GETPOST('nouvellecolonne') && $object->format =
 		dol_print_error($db);
 	} else {
 		header('Location: results.php?id='.$object->id_sondage);
+		exit;
 	}
 }
 
diff --git a/htdocs/resource/card.php b/htdocs/resource/card.php
index b8d0766e9fb..cba1ab1d2c0 100644
--- a/htdocs/resource/card.php
+++ b/htdocs/resource/card.php
@@ -174,7 +174,7 @@ if (empty($reshook)) {
 
 			if ($result >= 0) {
 				setEventMessages($langs->trans('RessourceSuccessfullyDeleted'), null, 'mesgs');
-				Header('Location: '.DOL_URL_ROOT.'/resource/list.php');
+				header('Location: '.DOL_URL_ROOT.'/resource/list.php');
 				exit;
 			} else {
 				setEventMessages($object->error, $object->errors, 'errors');