diff --git a/src/GridGenerator/geometries/TriangularMesh/TriangularMesh.cu b/src/GridGenerator/geometries/TriangularMesh/TriangularMesh.cu
index 6064fd075a19a899b3c6244405cc8a20df1dec27..c7bbd09fc0a29b2a40929fcef79fd9416d97efb3 100644
--- a/src/GridGenerator/geometries/TriangularMesh/TriangularMesh.cu
+++ b/src/GridGenerator/geometries/TriangularMesh/TriangularMesh.cu
@@ -37,7 +37,7 @@ TriangularMesh::TriangularMesh(const std::string& inputPath)
 
 TriangularMesh::TriangularMesh()
 {
-
+	this->minmax = BoundingBox::makeInvalidMinMaxBox();  // blame Lenz
 }
 
 TriangularMesh::~TriangularMesh()