diff --git a/ext/imap/php_imap.c b/ext/imap/php_imap.c
index 200c86fb83a..eb27482dfea 100644
--- a/ext/imap/php_imap.c
+++ b/ext/imap/php_imap.c
@@ -1453,7 +1453,7 @@ PHP_FUNCTION(imap_list_full)
 }
 /* }}} */
 
-/* {{{ proto array imap_scan(resource stream_id, string ref, string pattern, string content)
+/* {{{ proto array imap_listscan(resource stream_id, string ref, string pattern, string content)
    Read list of mailboxes containing a certain string */
 PHP_FUNCTION(imap_listscan)
 {