diff --git a/src/modelchecker/prctl/helper/SparseMdpPrctlHelper.h b/src/modelchecker/prctl/helper/SparseMdpPrctlHelper.h
index 95b5dbb1c..ef15c88ab 100644
--- a/src/modelchecker/prctl/helper/SparseMdpPrctlHelper.h
+++ b/src/modelchecker/prctl/helper/SparseMdpPrctlHelper.h
@@ -40,7 +40,9 @@ namespace storm {
                 template <typename RewardModelType>
                 static std::vector<ValueType> computeReachabilityRewards(bool minimize, storm::storage::SparseMatrix<ValueType> const& transitionMatrix, storm::storage::SparseMatrix<ValueType> const& backwardTransitions, RewardModelType const& rewardModel, storm::storage::BitVector const& targetStates, bool qualitative, storm::utility::solver::MinMaxLinearEquationSolverFactory<ValueType> const& minMaxLinearEquationSolverFactory);
 
+#ifdef STORM_HAVE_CARL
                 static std::vector<ValueType> computeReachabilityRewards(bool minimize, storm::storage::SparseMatrix<ValueType> const& transitionMatrix, storm::storage::SparseMatrix<ValueType> const& backwardTransitions, storm::models::sparse::StandardRewardModel<storm::Interval> const& intervalRewardModel, storm::storage::BitVector const& targetStates, bool qualitative, storm::utility::solver::MinMaxLinearEquationSolverFactory<ValueType> const& minMaxLinearEquationSolverFactory);
+#endif
                 
                 static std::vector<ValueType> computeLongRunAverage(bool minimize, storm::storage::SparseMatrix<ValueType> const& transitionMatrix, storm::storage::SparseMatrix<ValueType> const& backwardTransitions, storm::storage::BitVector const& psiStates, bool qualitative, storm::utility::solver::MinMaxLinearEquationSolverFactory<ValueType> const& minMaxLinearEquationSolverFactory);