diff --git a/dumux/implicit/staggered/newtoncontroller.hh b/dumux/implicit/staggered/newtoncontroller.hh
index c10185d12e2594e4980f65b219794acceefcfcb3..1ba774e0e612ade30124ef7a2fa394ba1878409c 100644
--- a/dumux/implicit/staggered/newtoncontroller.hh
+++ b/dumux/implicit/staggered/newtoncontroller.hh
@@ -238,6 +238,9 @@ public:
                 this->reduction_ /= this->initialResidual_;
             }
         }
+
+        // update the variables class to the new solution
+        assembler.gridVariables().update(uCurrentIter);
     }
 
      /*!