diff --git a/GeoLib/MinimalBoundingSphere.h b/GeoLib/MinimalBoundingSphere.h
index cf3f48665ce381a4a19422a7c1d95e31620bbd5f..1c4777d00c93aa78e043bf8bb79efd2313e47842 100644
--- a/GeoLib/MinimalBoundingSphere.h
+++ b/GeoLib/MinimalBoundingSphere.h
@@ -31,7 +31,7 @@ class MinimalBoundingSphere
 {
 public:
     /// Copy constructor
-    MinimalBoundingSphere(MinimalBoundingSphere const& sphere) = default;
+    MinimalBoundingSphere(MinimalBoundingSphere const&) = default;
     /// Point-Sphere
     MinimalBoundingSphere(GeoLib::Point const& p, double radius = std::numeric_limits<double>::epsilon());
     /// Bounding sphere using two points