diff --git a/exercise3/include/triangles.h b/exercise3/include/triangles.h
index 0cdd33c..8f2156a 100644
--- a/exercise3/include/triangles.h
+++ b/exercise3/include/triangles.h
@@ -91,7 +91,7 @@ class Triangles
 			OpenMesh::Vec3f p2 = triangle.points[1];
 			OpenMesh::Vec3f p3 = triangle.points[2];
 
-			volume += OpenMesh::dot(p1, OpenMesh::cross(p2, p3));
+			volume += OpenMesh::dot(p1, OpenMesh::cross(p2, p3)) / 6.0f;
 		}
 
 		return volume;