diff --git a/analysis/Minkowski.cpp b/analysis/Minkowski.cpp
index 9652db35..e98cfdc7 100644
--- a/analysis/Minkowski.cpp
+++ b/analysis/Minkowski.cpp
@@ -88,7 +88,7 @@ void Minkowski::ComputeScalar(const DoubleArray& Field, const double isovalue)
 					// printf("   (%i,%i,%i) RP(%i,%i)={%f,%f,%f} {%f,%f,%f} a=%f l=%f \n",i,j,k,e3,object.halfedge.twin(e3),P3.x,P3.y,P3.z,P1.x,P1.y,P1.z,a3,s3);
 					  //}
 					// Euler characteristic (half edge rule: one face - 0.5*(three edges))
-					Xi -= 1.5;
+					Xi -= 0.5;
 				}
 				// Euler characteristic -- each vertex shared by four cubes
 				Xi += 0.25*double(object.VertexCount);
diff --git a/tests/TestTorus.cpp b/tests/TestTorus.cpp
index d3cffa05..0cad888a 100644
--- a/tests/TestTorus.cpp
+++ b/tests/TestTorus.cpp
@@ -169,10 +169,10 @@ int main(int argc, char **argv)
    // Averages->Reduce();
     
     Object->MeasureObject();
-    double Vi = Object.V();
-    double Ai = Object.A();
-    double Hi = Object.H();
-    double Xi = Object.X();
+    double Vi = Object->V();
+    double Ai = Object->A();
+    double Hi = Object->H();
+    double Xi = Object->X();
 	Vi=sumReduce( Dm->Comm, Vi);
 	Ai=sumReduce( Dm->Comm, Ai);
 	Hi=sumReduce( Dm->Comm, Hi);