diff --git a/SimulationRuntime/c/simulation/solver/initialization/initialization.c b/SimulationRuntime/c/simulation/solver/initialization/initialization.c
index b76388f81e9..57a0e1e3323 100644
--- a/SimulationRuntime/c/simulation/solver/initialization/initialization.c
+++ b/SimulationRuntime/c/simulation/solver/initialization/initialization.c
@@ -1014,6 +1014,7 @@ int initialization(DATA *data, const char* pInitMethod, const char* pOptiMethod,
   {
     data->callback->updateBoundParameters(data);
     data->callback->updateBoundVariableAttributes(data);
+    setAllVarsToStart(data);
   }
 
   /* update static data of linear/non-linear system solvers */