After the World War II, in 1950, he returned to Zagreb, and led a Master Studio in architecture, returning to teaching at the Academy of Fine Arts. He ceased to be a rigid functionalist and encouraged the humanization of architecture by means of more decorative, sculptural and harmonious compositions.
Following World War II in 1950, he resumed teaching at the Academy of Fine Arts after returning to Zagreb. He transitioned from a strict functionalist approach to one that emphasized human-centered design by incorporating decorative, sculptural, and harmonious elements into architecture.