Meanwhile, he came under consideration for position of Minister of Defence for the Wilopo Cabinet, but was ultimately not chosen; instead, he led a series of demonstrations against the parliamentary system.
Di saat yang sama, ia dipertimbangkan untuk menjabat posisi Menteri Pertahanan dalam Kabinet Wilopo, tetapi akhirnya ia tidak terpilih, bahkan ia memimpin serangkaian demonstrasi menentang sistem parlementer.