diff --git a/inc/mod/auth.php b/inc/mod/auth.php
index d9073b50..4cc20df5 100644
--- a/inc/mod/auth.php
+++ b/inc/mod/auth.php
@@ -168,7 +168,10 @@ function destroyCookies() {
 	];
 
 	foreach ($options_multi as $name => $options) {
-		setcookie($name, 'deleted', $options);
+		if (isset($_COOKIE[$name])) {
+			setcookie($name, 'deleted', $options);
+			unset($_COOKIE[$name]);
+		}
 	}
 }