A novel mutation (NM_001098668.4: c.619A>T; NP_001092138.1: p.N207Y) in surfactant protein A2 (SFTPA2,), having not been previously reported to be a mutation, was identified and co‐separated with all affected individuals in the IPF family. This evidence concerns the gene SFTPA2 and idiopathic pulmonary fibrosis.