diff --git a/main.go b/main.go
index 77cdfb7..0576fea 100644
--- a/main.go
+++ b/main.go
@@ -231,7 +231,7 @@ func handlerPostAPIV1EventsSlackInitialize(cfg Config) http.HandlerFunc {
 		`)
 		if _, err := cfg.driver.ExecContext(r.Context(), `
 			INSERT
-				INTO initialization (token, updated)
+				INTO initialization (label, token, updated)
 				VALUES ('slack_events_webhook_token', $1, $2)
 		`, challenge.Token, time.Now().UTC()); err != nil {
 			http.Error(w, err.Error(), http.StatusInternalServerError)