diff --git a/ProcessLib/ComponentTransport/ComponentTransportProcess.cpp b/ProcessLib/ComponentTransport/ComponentTransportProcess.cpp
index 85ab201ca55e2f393fdf6b239789d01d4cfbccda..86530382d33abecebdb313da17312623b319c73e 100644
--- a/ProcessLib/ComponentTransport/ComponentTransportProcess.cpp
+++ b/ProcessLib/ComponentTransport/ComponentTransportProcess.cpp
@@ -205,6 +205,9 @@ void ComponentTransportProcess::preTimestepConcreteProcess(
         auto& x0 = *_xs_previous_timestep[process_id];
         MathLib::LinAlg::copy(*x[process_id], x0);
     }
+
+    auto& x0 = *_xs_previous_timestep[process_id];
+    MathLib::LinAlg::setLocalAccessibleVector(x0);
 }
 
 void ComponentTransportProcess::postTimestepConcreteProcess(