diff --git a/plugin/health/health.go b/plugin/health/health.go
index 55ff68407..2ac75f08d 100644
--- a/plugin/health/health.go
+++ b/plugin/health/health.go
@@ -42,7 +42,7 @@ func (h *health) OnStartup() error {
 	h.mux.HandleFunc("/health", func(w http.ResponseWriter, r *http.Request) {
 		// We're always healthy.
 		w.WriteHeader(http.StatusOK)
-		io.WriteString(w, "OK")
+		io.WriteString(w, http.StatusText(http.StatusOK))
 		return
 	})
 
diff --git a/plugin/health/health_test.go b/plugin/health/health_test.go
index 7c7ad43a1..35ab285fe 100644
--- a/plugin/health/health_test.go
+++ b/plugin/health/health_test.go
@@ -31,7 +31,7 @@ func TestHealth(t *testing.T) {
 	}
 	response.Body.Close()
 
-	if string(content) != "OK" {
+	if string(content) != http.StatusText(http.StatusOK) {
 		t.Errorf("Invalid response body: expecting 'OK', got '%s'", string(content))
 	}
 }
diff --git a/plugin/ready/ready.go b/plugin/ready/ready.go
index ff19b59f8..0b08c22f4 100644
--- a/plugin/ready/ready.go
+++ b/plugin/ready/ready.go
@@ -45,7 +45,7 @@ func (rd *ready) onStartup() error {
 		ok, todo := plugins.Ready()
 		if ok {
 			w.WriteHeader(http.StatusOK)
-			io.WriteString(w, "OK")
+			io.WriteString(w,  http.StatusText(http.StatusOK))
 			return
 		}
 		log.Infof("Still waiting on: %q", todo)
diff --git a/test/reload_test.go b/test/reload_test.go
index e026a97ce..f17a85b05 100644
--- a/test/reload_test.go
+++ b/test/reload_test.go
@@ -110,7 +110,7 @@ func TestReloadMetricsHealth(t *testing.T) {
 	}
 	ok, _ := ioutil.ReadAll(resp.Body)
 	resp.Body.Close()
-	if string(ok) != "OK" {
+	if string(ok) != http.StatusText(http.StatusOK) {
 		t.Errorf("Failed to receive OK, got %s", ok)
 	}