diff --git a/test/harmonicenergytest.cc b/test/harmonicenergytest.cc
index c73e15e1c76bb4b6cbb1d8a3292c325c99d56e90..4c05e98a0794ac1f0cd48273008418f81017a1a4 100644
--- a/test/harmonicenergytest.cc
+++ b/test/harmonicenergytest.cc
@@ -75,7 +75,7 @@ void test()
     FieldVector<double,dim> pos(0);
     factory.insertVertex(pos);
 
-    for (int i=0; i<domainDim+1; i++) {
+    for (int i=0; i<domainDim; i++) {
         pos = 0;
         pos[i] = 1;
         factory.insertVertex(pos);