diff --git a/internal/api/router/endpoints.go b/internal/api/router/endpoints.go
index c872082..218d8f9 100644
--- a/internal/api/router/endpoints.go
+++ b/internal/api/router/endpoints.go
@@ -197,8 +197,8 @@ func (m *Manager) triggerBuild(w http.ResponseWriter, _ *http.Request) {
 	w.Header().Set(contentType, applicationJSON)
 	select {
 	case m.newBuildRequest <- struct{}{}:
-		_, _ = w.Write([]byte("{\"message\": \"new build request received\""))
+		_, _ = w.Write([]byte("{\"message\": \"new build request received\"}"))
 	default:
-		_, _ = w.Write([]byte("{\"message\": \"a build request is already pending\""))
+		_, _ = w.Write([]byte("{\"message\": \"a build request is already pending\"}"))
 	}
 }