diff --git a/lib/action.php b/lib/action.php
index 8f72b542b0..c0229cf75f 100644
--- a/lib/action.php
+++ b/lib/action.php
@@ -77,6 +77,9 @@ class Action { // lawsuit
 		$action = $this->trimmed('action');
 		$args = $this->args;
 		unset($args['action']);
+		foreach (array_keys($_COOKIE) as $cookie) {
+			unset($args[$cookie]);
+		}
 		return common_local_url($action, $args);
 	}