Page returned to cabinet after the 1934 election, when the Country Party entered a new coalition with Joseph Lyons' United Australia Party (UAP). He was appointed Minister for Commerce, and concentrated on agricultural issues. When Lyons died in office in April 1939, Page was commissioned as his successor in a caretaker capacity while the UAP elected a new leader, Robert Menzies. Page subsequently denounced Menzies and refused to serve in his cabinet, withdrawing the Country Party from the coalition, but this proved unpopular and he resigned the party leadership after a few months. The coalition was eventually reconstituted, and Page served again as Minister for Commerce under Menzies and Arthur Fadden until the government's defeat in October 1941.