diff --git a/src/iks006_nonlinear2DSolid.cpp b/src/iks006_nonlinear2DSolid.cpp
index 3cfc125..bc9d412 100644
--- a/src/iks006_nonlinear2DSolid.cpp
+++ b/src/iks006_nonlinear2DSolid.cpp
@@ -227,7 +227,7 @@ auto run() {
 
   auto lc = Ikarus::LoadControl(nonlinSolver, 20, {0, 2000});
   lc.nonlinearSolver().subscribeAll(nonLinearSolverObserver);
-  -lc.subscribeAll(vtkWriter);
+  lc.subscribeAll(vtkWriter);
 
   // Postprocessing
   auto vonMisesFunction =