diff --git a/testapp/api/main.go b/testapp/api/main.go
index 29c508f..58f2f38 100644
--- a/testapp/api/main.go
+++ b/testapp/api/main.go
@@ -53,6 +53,9 @@ func main() {
 		log.Printf("%s %s %s", r.RemoteAddr, r.Method, r.URL)
 		fmt.Fprintf(w, "api: ok")
 	})
+	http.HandleFunc("/favicon.ico", func(w http.ResponseWriter, r *http.Request) {
+		w.WriteHeader(http.StatusNotFound)
+	})
 	s := &http.Server{
 		ReadTimeout:  5 * time.Second,
 		WriteTimeout: 10 * time.Second,
diff --git a/testapp/db/main.go b/testapp/db/main.go
index 9892b68..d6c8c56 100644
--- a/testapp/db/main.go
+++ b/testapp/db/main.go
@@ -49,6 +49,9 @@ func main() {
 		log.Printf("%s %s %s", r.RemoteAddr, r.Method, r.URL)
 		fmt.Fprintf(w, "db: ok")
 	})
+	http.HandleFunc("/favicon.ico", func(w http.ResponseWriter, r *http.Request) {
+		w.WriteHeader(http.StatusNotFound)
+	})
 	s := &http.Server{
 		ReadTimeout:  5 * time.Second,
 		WriteTimeout: 10 * time.Second,
diff --git a/testapp/srv/main.go b/testapp/srv/main.go
index 25ec417..1b3d940 100644
--- a/testapp/srv/main.go
+++ b/testapp/srv/main.go
@@ -63,6 +63,9 @@ func main() {
 			dbUrl, dbBody,
 			apiUrl, apiBody)
 	})
+	http.HandleFunc("/favicon.ico", func(w http.ResponseWriter, r *http.Request) {
+		w.WriteHeader(http.StatusNotFound)
+	})
 	s := &http.Server{
 		ReadTimeout:  5 * time.Second,
 		WriteTimeout: 10 * time.Second,