diff --git a/src/one-body-sample.org b/src/one-body-sample.org
index 1d6ba40aaace65db4f07c062d6a7b67fce1c8e71..530be6ce5e025fe4349a048baf9a641201f865cf 100644
--- a/src/one-body-sample.org
+++ b/src/one-body-sample.org
@@ -391,7 +391,7 @@
       Dune::BitSetVector<dim> ignoreNodes(finestSize, false);
       Dune::BitSetVector<1> neumannNodes(finestSize, false);
       Dune::BitSetVector<1> frictionalNodes(finestSize, false);
-      <<setupBoundary>>
+      <<setupBoundary>>;
   
       auto const nodalIntegrals
         = assemble_frictional<GridType, GridView, SmallVector, P1Basis>
@@ -426,7 +426,7 @@
         mySolver(parset.sub("solver.tnnmg"), refinements, solver_tolerance,
                  *grid, ignoreNodes);
   
-      <<createWriters>>
+      <<createWriters>>;
   
       auto const L = parset.get<double>("boundary.friction.ruina.L");
       auto const a = parset.get<double>("boundary.friction.ruina.a");
@@ -512,7 +512,7 @@
             std::cerr << std::endl;
         }
   
-        <<writeData>>
+        <<writeData>>;
         <<assembleAndWriteStress>>;
       }
       <<printBenchmarkData>>;