diff --git a/Tudat/SimulationSetup/EstimationSetup/variationalEquationsSolver.h b/Tudat/SimulationSetup/EstimationSetup/variationalEquationsSolver.h
index 7fe8f9b8ca..b2348d0474 100644
--- a/Tudat/SimulationSetup/EstimationSetup/variationalEquationsSolver.h
+++ b/Tudat/SimulationSetup/EstimationSetup/variationalEquationsSolver.h
@@ -641,10 +641,12 @@ class SingleArcVariationalEquationsSolver: public VariationalEquationsSolver< St
                         getStateDerivativeModelMapFromVector( stateDerivativeModels ), bodyMap, parametersToEstimate );
 
             // Create simulation object for dynamics only.
+#if( BUILD_WITH_ESTIMATION_TOOLS )
             if( propagatorSettings_->getDependentVariablesToSave( ) != nullptr )
             {
                 propagatorSettings_->getDependentVariablesToSave( )->stateDerivativePartials_ = stateDerivativePartials;
             }
+#endif
 
             dynamicsSimulator_ = std::make_shared< SingleArcDynamicsSimulator< StateScalarType, TimeType > >(
                         bodyMap, integratorSettings, propagatorSettings_, false, clearNumericalSolution, setIntegratedResult, false,