diff --git a/src/net/http/pprof/pprof.go b/src/net/http/pprof/pprof.go
index a237f58609c1c..5c33916fbae66 100644
--- a/src/net/http/pprof/pprof.go
+++ b/src/net/http/pprof/pprof.go
@@ -273,6 +273,9 @@ func Index(w http.ResponseWriter, r *http.Request) {
 		}
 	}
 
+	w.Header().Set("X-Content-Type-Options", "nosniff")
+	w.Header().Set("Content-Type", "text/html; charset=utf-8")
+
 	type profile struct {
 		Name  string
 		Href  string
diff --git a/src/net/http/pprof/pprof_test.go b/src/net/http/pprof/pprof_test.go
index dbb6fef15923c..61f39b7782a4d 100644
--- a/src/net/http/pprof/pprof_test.go
+++ b/src/net/http/pprof/pprof_test.go
@@ -40,6 +40,7 @@ func TestHandlers(t *testing.T) {
 		{"/debug/pprof/profile?seconds=1", Profile, http.StatusOK, "application/octet-stream", `attachment; filename="profile"`, nil},
 		{"/debug/pprof/symbol", Symbol, http.StatusOK, "text/plain; charset=utf-8", "", nil},
 		{"/debug/pprof/trace", Trace, http.StatusOK, "application/octet-stream", `attachment; filename="trace"`, nil},
+		{"/debug/pprof/", Index, http.StatusOK, "text/html; charset=utf-8", "", []byte("Types of profiles available:")},
 	}
 	for _, tc := range testCases {
 		t.Run(tc.path, func(t *testing.T) {