A similar narration is reported from Ibn Umar (may Allah be pleased with them both) through another chain, without attributing it to the Prophet (peace and blessings be upon him), and Imam Malik (may Allah have mercy on him) also narrated it in this way, as mawquf (stopping at Ibn Umar).
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الصلاة / 3194