diff --git a/src/one-body-sample.cc b/src/one-body-sample.cc
index 9d89fe7e770e78a90ed033fd0911fe5f181b2927..40425882ac6a92566f96a7c8e34a8c17fa8c4c17 100644
--- a/src/one-body-sample.cc
+++ b/src/one-body-sample.cc
@@ -199,7 +199,7 @@ int main(int argc, char *argv[]) {
         1); // nth dimension (zero-indexed) goes from 0 to end_points[n]
     GridType grid(
         end_points,
-        Dune::FieldVector<int, dim>(2), // number of elements in each direction
+        Dune::FieldVector<int, dim>(1), // number of elements in each direction
         Dune::FieldVector<bool, dim>(false), // non-periodic in each direction
         0);                                  // zero overlap (whatever that is)
     grid.globalRefine(refinements);