Here we report on a patient with Parkinson's Disease and camptocormia due to Myofibrillar Myopathy Type 3. By leading the reader through the clinical reasoning process and highlighting the respective red flags we aim to increase the readers’ awareness for the differential diagnosis of camptocormia.Supplementary InformationThe online version contains supplementary material available at 10.1186/s42466-023-00250-y.