diff --git a/internal/http/dj_handlers.go b/internal/http/dj_handlers.go
index 8f8e67c..90c0791 100644
--- a/internal/http/dj_handlers.go
+++ b/internal/http/dj_handlers.go
@@ -36,7 +36,7 @@ func (dj *DJHandlers) ListenersUpdateIcecast(w http.ResponseWriter, r *http.Requ
 
 	if err := r.ParseForm(); err != nil {
 		log.Println("DJHandlers.ListenersUpdateIcecast:", err)
-		http.Error(w, "cannot parse form", http.StatusBadRequest)
+		w.WriteHeader(http.StatusBadRequest)
 		return
 	}
 
@@ -46,7 +46,7 @@ func (dj *DJHandlers) ListenersUpdateIcecast(w http.ResponseWriter, r *http.Requ
 	case "listener_remove":
 		if _, err := dj.listeners.Dec(); err != nil {
 			log.Println("DJHandlers.ListenersUpdateIcecast:", err)
-			http.Error(w, err.Error(), http.StatusBadRequest)
+			w.WriteHeader(http.StatusBadRequest)
 			return
 		}
 	default:
@@ -70,7 +70,7 @@ func (dj *DJHandlers) PlaylistNext(w http.ResponseWriter, _ *http.Request) {
 		log.Println("the end of a playlist has been reached")
 		if nxt = dj.fallbackSong; nxt == "" {
 			log.Println("a fallback song is not set")
-			http.Error(w, "a playlist is empty and a fallback song is not set", http.StatusNotFound)
+			w.WriteHeader(http.StatusNotFound)
 			return
 		}
 	}
@@ -78,7 +78,7 @@ func (dj *DJHandlers) PlaylistNext(w http.ResponseWriter, _ *http.Request) {
 	oggf, err := oggtag.NewOggFile(nxt)
 	if err != nil {
 		log.Println("cannot read an OGG file", nxt, ":", err)
-		http.Error(w, "cannot read an OGG file", http.StatusInternalServerError)
+		w.WriteHeader(http.StatusInternalServerError)
 		return
 	}