diff --git a/main.go b/main.go
index ba69126..0b6b41a 100644
--- a/main.go
+++ b/main.go
@@ -281,7 +281,7 @@ func main() {
 			platform = &query["platform"][0]
 		}
 
-		c := efaClients[(efaClient.Add(1) - 1) % uint64(len(efaClients))]
+		c := efaClients[(efaClient.Add(1)-1)%uint64(len(efaClients))]
 		ds, err := FetchDepartures(c, stopId)
 		if err != nil {
 			http.Error(w, err.Error(), http.StatusInternalServerError)