diff --git a/dumux/implicit/localjacobian.hh b/dumux/implicit/localjacobian.hh
index 2c36bcbec2fb979749e5a3c45042d7ff9b1d14bc..751a5ad6247a83582e7e62096630dca6d6a41f74 100644
--- a/dumux/implicit/localjacobian.hh
+++ b/dumux/implicit/localjacobian.hh
@@ -491,6 +491,7 @@ protected:
             model_().curVolVars(scvJ).update(priVars, problem_(), element_(), scvJ);
 
             // calculate the flux with the deflected primary variables
+            // TODO: for solution dependent spatial params fluxVar update needed!
             Scalar deflectFlux = 0.0;
             for (fluxVarIdx : fluxVarsJ)
                 deflectFlux += localResidual().computeFlux(fluxVarIdx);
@@ -519,6 +520,7 @@ protected:
             model_().curVolVars(scvJ).update(priVars, problem_(), element_(), scvJ);
 
             // calculate the flux with the deflected primary variables
+            // TODO: for solution dependent spatial params fluxVar update needed!
             Scalar deflectFlux = 0.0;
             for (fluxVarIdx : fluxVarsJ)
                 deflectFlux += localResidual().computeFlux(fluxVarIdx);