diff --git a/htdocs/core/lib/functions.lib.php b/htdocs/core/lib/functions.lib.php
index 9ce3948efdf..77f0df8379b 100644
--- a/htdocs/core/lib/functions.lib.php
+++ b/htdocs/core/lib/functions.lib.php
@@ -1386,7 +1386,9 @@ function dol_syslog($message, $level = LOG_INFO, $ident = 0, $suffixinfilename =
 			return;
 		}
 
-		$message = preg_replace('/password=\'[^\']*\'/', 'password=\'hidden\'', $message); // protection to avoid to have value of password in log
+		if (empty($conf->global->MAIN_SHOW_PASSWORD_INTO_LOG)) {
+			$message = preg_replace('/password=\'[^\']*\'/', 'password=\'hidden\'', $message); // protection to avoid to have value of password in log
+		}
 
 		// If adding log inside HTML page is required
 		if ((!empty($_REQUEST['logtohtml']) && !empty($conf->global->MAIN_ENABLE_LOG_TO_HTML))