diff --git a/include/Nazara/Core/SparsePtr.hpp b/include/Nazara/Core/SparsePtr.hpp
index aad0e453e..c26602697 100644
--- a/include/Nazara/Core/SparsePtr.hpp
+++ b/include/Nazara/Core/SparsePtr.hpp
@@ -43,7 +43,7 @@ namespace Nz
 			void SetStride(int stride);
 
 			explicit operator bool() const;
-			operator T*() const;
+			explicit operator T*() const;
 			T& operator*() const;
 			T* operator->() const;
 			T& operator[](std::size_t index) const;
diff --git a/src/Nazara/Physics3D/Collider3D.cpp b/src/Nazara/Physics3D/Collider3D.cpp
index be7ceb6be..be4436a61 100644
--- a/src/Nazara/Physics3D/Collider3D.cpp
+++ b/src/Nazara/Physics3D/Collider3D.cpp
@@ -347,7 +347,7 @@ namespace Nz
 				m_vertices[i] = *vertices++;
 		}
 		else // Fast path
-			std::memcpy(m_vertices.data(), vertices, vertexCount*sizeof(Vector3f));
+			std::memcpy(m_vertices.data(), vertices.GetPtr(), vertexCount*sizeof(Vector3f));
 	}
 
 	ConvexCollider3D::ConvexCollider3D(SparsePtr<const Vector3f> vertices, unsigned int vertexCount, float tolerance, const Vector3f& translation, const Quaternionf& rotation) :