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Chopart’s amputation is the ultimate gesture for the conservation of heel support. Post-operative complications are possible, among which deformities of the stump occupy a significant place. We report a case of complete equinus deformity after Chopart’s amputation for diabetic foot. It was a 63-year-old patient, diabetic for 12 years treated by metformin. He was followed for diabetic arteriopathy of the lower limbs and had a Chopart’s amputation of the left foot 7 years ago. He was admitted the 2nd time for an ulceration on the Chopart’s amputation stump. In his history, we noted that the patient had no functional prosthesis for his left foot. The examination found superficial ulcerations of the anterior part of the ankle. We noticed also a complete equinus deformity of the stump. The patient refused surgical treatment and conservative management has been done. Equinus deformity is a common complication of Chopart’s amputation. However, it must be prevented by other associated surgical techniques (Achilles tendon tenotomy, tenoplasty of anterior tibial tendon, or ankle arthrodesis). This can help to achieve beneficial long-term outcomes in properly selected patients.