Finns Party leader Riikka Purra and parliamentary group chair Jani Mäkelä said they were unhappy with coalition partner Swedish People's Party's apparent lack of support.
Parliament is expected to hold confidence votes in the government as well as Finns Party MPs Riikka Purra and Wille Rydman when lawmakers return to the chamber in September.
YLE: As Social Democrats surges, National Coalition loses top spot helsinkitimes.fi - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from helsinkitimes.fi Daily Mail and Mail on Sunday newspapers.
Minister of Economic Affairs Wille Rydman (PS) on Monday said to YLE that Finland is home to actors who feed inaccurate claims about the government to international media outlets.