diff --git a/src/lib-sieve/plugins/enotify/mailto/uri-mailto.c b/src/lib-sieve/plugins/enotify/mailto/uri-mailto.c
index b7e9e0023057d08aba340eadad3b267586849d55..db494965914b8f8e00378319878befeac8cbe6b3 100644
--- a/src/lib-sieve/plugins/enotify/mailto/uri-mailto.c
+++ b/src/lib-sieve/plugins/enotify/mailto/uri-mailto.c
@@ -601,7 +601,7 @@ struct uri_mailto *uri_mailto_parse
 	p_array_init(&parser.uri->headers, pool, max_headers);
 
 	if ( !uri_mailto_parse_uri(&parser, uri_body) )
-		return FALSE;
+		return NULL;
 
 	if ( ehandler != NULL ) {
 		if ( array_count(&parser.uri->recipients) == 0 )