diff --git a/builtin/fsmonitor--daemon.c b/builtin/fsmonitor--daemon.c
index 46be55a461..1133db0175 100644
--- a/builtin/fsmonitor--daemon.c
+++ b/builtin/fsmonitor--daemon.c
@@ -708,6 +708,7 @@ static int do_handle_client(struct fsmonitor_daemon_state *state,
 				  "fsmonitor: unsupported V1 protocol '%s'"),
 				 command);
 		do_trivial = 1;
+		do_cookie = 1;
 
 	} else {
 		/* We have "builtin:*" */
@@ -717,6 +718,7 @@ static int do_handle_client(struct fsmonitor_daemon_state *state,
 					 "fsmonitor: invalid V2 protocol token '%s'",
 					 command);
 			do_trivial = 1;
+			do_cookie = 1;
 
 		} else {
 			/*