diff --git a/cmd/bsky-modactions/munin.go b/cmd/bsky-modactions/munin.go
index 6aac5f3..e05656c 100644
--- a/cmd/bsky-modactions/munin.go
+++ b/cmd/bsky-modactions/munin.go
@@ -30,6 +30,7 @@ func configHandler(w http.ResponseWriter, r *http.Request) {
 	fmt.Fprint(w, "graph_title bluesky labels added\n")
 	fmt.Fprint(w, "graph_category bluesky\n")
 	fmt.Fprint(w, "graph_vlabel labels / ${graph_period}\n")
+	fmt.Fprint(w, "graph_period minute\n")
 	fmt.Fprint(w, "graph_width 600\n")
 	fmt.Fprint(w, "graph_height 300\n")